A mild mannered teacher of high school chemistry learns he has contracted lung cancer and decides to undertake a new career in the manufacture of crystal meth as a way of guaranteeing financial solvency for his wife and son after his death.
After the incident in the desert, Walter and Jesse are left with several problems to solve, and neither are anxious to begin. Skyler becomes suspicious of Walter due to his recent unusual behavior.
Walter fights with Jesse over his drug use, causing him to leave Walter alone with their captive, Krazy-8. Meanwhile, Hank has a scared straight moment with Walter Jr. after his aunt discovers he has been smoking pot. Also, Skylar is upset when Walter stays away from home.
Walter breaks the news to the whole family about his lung cancer. Evidence from the desert convinces the DEA that a new big time drug dealer has come to Albuquerque. Walter's anger boils over against a obnoxious yuppie. Jesse's paranoia sends him home to visit his parents.
Walter is offered a new job while attending a birthday party for a successful former science colleague. Jesse finds himself unsuccessful at finding a legitimate job and ends up back to cooking up meth, and an inferior product at that. Skyler tries to get Walter into chemotherapy by gathering his family for an intervention, but he is worried about their financial difficulties and what his quality of life will be like.
Walter cooks up even more crystal meth than ever with Jesse as he needs money for his chemotherapy treatments. Meanwhile, Skinny Pete gives Jesse a new important contact, as the DEA beefs up its investigation of Albuquerque's new drug kingpin.
Production problems arise immediately as Walter and Jesse do business with a new partner in crime, causing them to attempt to steal from a chemical supply house. Meanwhile, Marie shows a different side of herself as she throws Skylar a baby shower and gives her an unusual gift.
In this first "minisode", Hank and Marie spice up their relationship with a little role playing on Valentine's day.
A revealing confession from Hank to Walter on the day of Hank's marriage to Marie
An on-camera interview with the deep creative force behind the band TwaughtHammer, Jesse Pinkman.
Yo, in tha house!! We experience the awesomeness that is the music video for the song, "Fallacies", by Arizona band TwaughtHammer.
Under instructions from her court-appointed therapist, Marie makes an entry in a video diary where she talks about some of the thoughts running through her head.
When Skyler ignorantly sells an old canister vacuum that Walter is hiding the drug money in, Walter must enlist Badger and his "mad lockpicking skilz" to get it back.
Walt and Jesse decide to end their business dealings with Tuco after bearing witness to his incendiary disposition in regards to Gonzo. But how can they do this? Meanwhile, Hank helps smooth things between Skylar and her sister Marie by acting as a go-between.
Walt and Jesse try to disassociate themselves from the volatile Tuco, but find themselves in deep trouble when they trapped withe the dealer. Meanwhile, Skylar is worried about her missing husband and seeks comfort from her sister and brother-in-law. Elsewhere, Hank visits Jesse's mother on a business call.
Walt and Jesse continue to put distance between themselves and Tuco, but soon discover they are losing both customers and money. Meanwhile, Hank and his DEA meth ring investigation gets a shot in the arm which may just put Walt and Jesse within their sites.
A suspicious Skylar keeps Walt at arm's length, despite his attempt to reconnect with the family, as Skylar worries what Walt has been doing while he was away. Meanwhile, Jesse once again finds himself on the streets and attempts to find a way to improve his lot in life.
A confrontation with Tuco has Hank dealing with some aftereffects. Meanwhile, tensions are running high as bills mount at the White home; and Jesse rounds up a crew of dealers to get their product on the streets.
Walt's secret is in jeopardy when Skyler thanks Gretchen for paying for his treatment.
Rumors fly about Jesse's recent actions as he and Walt discuss expanding their business into new territories. Hank struggles to fit in with his new co-workers in El Paso. Skyler pursues a new job opportunity that reconnects her with a former colleague. Jesse gets to know his landlord, Jane.
When Badger finds himself in trouble with the law, Walt and Jesse seek the legal advice of a shady attorney, Saul Goodman. The DEA believe they may have finally caught up with the elusive 'Heisenberg.' Hank returns to Albuquerque, but his troubled mental state and demeanor cause Marie to worry.
After Walt undergoes a PET-CT scan, he and his family wait for news about his cancer treatment progress. Fearing the worst, Walt follows Saul's advice to cook as much product as he can with the time he has left. Jesse's relationship with Jane develops, but is put on hold when he and Walt retreat to the desert for their marathon cook.
A party for family and friends is thrown by the White's to thank those who supported Walt through his trying times, but it grows ugly when Walt and Hank get into a bitter argument. Later, Walt tries to occupy his fed up pent up feelings by doing some home-improvement projects. Skyler confides in her boss about being worried about Walt's physical and emotional state. Jane keeps her relationship with Jesse a secret from her father.
When unforeseen circumstances cause Walt and Jesse to lose some dealers, Saul suggests they add a new business partner. At work, Skylar confronts Ted about the unnerving information she had uncovered. Jane learns what Jesse does for a living when he opens up to her, which ends in disastrous results.
Skylar has her baby; Walter Jr. launches a new website in an effort to contribute to the family income; and Jesse's addiction begins to cause problems.
In the season two finale, Skylar confronts Walt about his secrecy; Jesse falls apart; and Jane's grief-stricken father becomes instrumental in causing further tragedy.
Walt deals with the aftermath of the plane crash; Jesse comes to a realization about himself; Skyler considers her next move.
Walt tries to bring his family back together; with Saul's help, Jesse makes an unexpected investment.
Walt ignores Skyler's demands, increasing the tension between them and pushing her to break bad. Saul entreats Jesse to persuade Walt to keep cooking. Still suffering from panic and anxiety attacks, Hank crosses a line at work.
Walt loses control, endangering his job and relationships; Hank throws himself into his investigation; Jesse has a new plan.
Gus tries to lure Walt back into the business; Skyler doubts her new relationship; Marie is concerned for Hank's well-being.
As Walt settles into his new surroundings, Walter, Jr. demands answers about his parents' relationship. Hank's investigation creates an immediate problem for Walt and Jesse.
Hank's volatility forces a confrontation with Jesse; Skyler pressures Walt to make a deal; Gus faces severe consequences.
The family waits for news; Jesse covers at the lab; Walt worries that he and his family are in danger.
As Hank's hospital bills stack up, Skyler hatches a plan. Walt and Gus come to a better understanding. Jesse, looking for more independence, pursues a new opportunity.
Walt becomes obsessed with a contaminant in the lab and refuses to finish the cook until it is eliminated. A frustrated Jesse attempts to get Walt back on track.
Skyler gets involved with Walt's business; Hank struggles with recovery.
Against Walt's advice, Jesse lashes out . Fearing for Jesse's safety, Walt takes drastic action to intervene. A tragic event leads to a shocking confrontation.
With Jesse on the run and Mike in hot pursuit, Walt negotiates a bargain with Gus and concocts a disturbing plan to provide for his and Jesse's safety
Walt and Jesse face the deadly consequences of their actions. Skyler deals with a puzzling disappearance, as Marie struggles to help Hank with his recovery.
Jesse hits a downward spiral and invites his friends along for the ride.
Events spiral out of control; Skyler asks for Saul’s help; Marie returns to an old past time; a friend asks Frank for help.
The Cartel takes steps to gain the upper hand. Walt and Skyler share an embarrassing secret with the rest of the family. Jesse’s activities draw unwanted attention.
Jesse's disappearance leaves Walt fearing the worst; Skyler has a surprising reunion; and Hank gives Det. Roberts bad news.
Skyler makes an unsettling discovery; Walter Jr. pushes his dad into a questionable purchase; Jesse offers Mike some help.
Walt gambles on a risky new plan; Skyler's business venture hits a snag; Hank recruits Walter Jr. for an outing.
Skyler develops a solution for her money troubles; Hank enlists Walt to investigate a theory; Walt grows impatient with Jesse.
Skyler's mistakes come back to haunt her; Gus takes action against his rivals; Jesse seeks Walt's help.
Walt's family worries when he doesn't show up for Walt Jr's birthday; Jesse puts his lab skills to the test without Mr White's help.
Walt takes drastic action to protect his secret and Gus; Skyler's efforts to solve Ted's financial problems hit a wall.
Hank pushes Gomez to pursue a lead; Walt struggles to protect his family; Jesse gets alarming news.
Walt and Jesse team up on Gus; Walt finds an unexpected ally with Saul's help.