Ken befriends a little girl while working on a case at an amusement park. He soon finds himself on another case involving the girl's divorced parents, her father's murdered fiancee, and a stolen stuffed animal purchased as a birthday present.
Daphne is going to a friend's wedding in the Bahamas. She is kidnapped en route. When Sandy discovers that Daphne failed to show for the wedding, he searches for his friend, and in the process discovers some secrets about the groom.
Daphne has a new boyfriend, a man who wandered into town. His refusal to talk about his past has the SurfSide detectives suspicious.
Daphne's dear friend from high school is murdered. Daphne strongly suspects the woman's husband is the murderer because of a heated argument shortly before the woman turned up dead. Daphne investigates the case on her own when neither her SurfSide detective friends nor the police will listen to her suspicions about the case.
Sandy defends himself from a drunk man. The intoxicated man falls and is later found dead, leading to charges of murder against Sandy. Dave serves as Sandy's attorney while trying to discover what really happened to the man.
A lead on a case has Ken out of town. The lead proves fruitless, but he finds himself on another case -- a kidnapping in the run-down hotel he is staying at.
A ventriloquist performing at the Boom Boom room finds his dummy has been stolen. He later finds it hanging by its neck from a rope. He hires Sandy to investigate.
Songs: Linda Faris -- Get Happy
Dave's college reunion is taking place at the Fontainebleau Hotel. The reunion opens old wounds and deep secrets, leading to murder.
A man whom Dave once worked for in New York is missing, and a number of people are looking for him: a woman claiming to be his wife, a bounty hunter looking to bring the man in because of a murder charge, and the police. Dave looks for his one-time employer while trying to discover who is telling the truth about the man.
Sylvia, the designer and head of a swimsuit company, disappears, and Dave is hired to find her. When her husband is found murdered she is Lt. Plehn's chief suspect, but Dave and Ken have found evidence that points to other suspects.
Songs: Cha Cha
-- The Cha Cha Twist
A woman from South Carolina hires Ken to find the boyfriend who jilted her. Ken's investigation leads him to Lt. Plehn's investigation of a murdered mobster.
A friend of Sandy's, the director of a lingerie fashion show, is missing. While investigating the disappearance, another member of the entourage is found dead. Only Sandy disputes the claim that the death was a suicide.
Dave is recalled to active military duty. While he is officially acting as a training officer, he is also serving as an investigator: military intelligence knows that there is a spy in the unit Dave is commanding. Dave needs to find the spy and the spy's contact before a simulated attack on a nuclear power plant can be sabotaged.
Songs: Cha Cha
-- Bei Mir Bist Du Schon
Songs: Ken, Dave, and Cha Cha -- When Irish Eyes Are Smiling
A lounge singer receives a threatening note and phones an L.A. detective for assistance. The detective, a friend of the SurfSide detectives, arrives in Miami to investigate, but soon finds himself in the hospital and charged with murder after visiting the home of a redhead. The SurfSide detectives must solve the case in order to save their friend.
Songs: Dooley -- Sometimes I'm Happy
A mob bookie hires Dave, the man responsible for putting him away, from prison to check on threatening phone calls his wife has been receiving. His wife is part of the threat scheme, put on in order to find where the man hid $100,000 before he was sent to prison. A rival mob is also interested because they feel the missing money is theirs.
A young woman asks Ken to investigate a man romantically interested in her mother. The man is running a con game involving "can't miss" horse race bets, taking the woman for $10,000. When he turns up dead, the woman confesses to his murder, Ken fears to save her daughter from being charged with the crime.
A man seeks to hire Ken to investigate whether his wife is cheating with another man. Ken is unaware of the fact that the couple is attempting to establish a scam with the man named as the third member of a "love triangle" as the victim; however, since that man is a friend of Ken he will not take the case. The scam becomes apparent -- only after an acquaintance of the scheming couple is found murdered.