Defence lawyer Jack Roper is determined not to give up on the case of a girl charged with arson - and annoys his opposite number by ruining the testimony of a key prosecution witness.
Jack and Annie represent a cancer patient suing the landfill company he used to work for, while Laura joins her father to defend the case and discovers not everyone is telling the truth. Joe represents a woman accused of shoplifting, but gets more than he bargained for when he falls foul of her charms.
Jack and Annie defend a man accused of murdering his wife, but problems arise when prosecutor Laurence discovers foul play. Charlie takes on the case of the suspected killer's sister, who is battling her brother's in-laws for custody of his child, and Joe helps defend a nurse whose employers believe she lied to them about her qualifications.
Charlie takes on the high-profile case of a television presenter who is involved in a libel suit. Jack is unhappy about having to represent a man accused of physically abusing his son - prompting Honor to resign from prosecuting - and it isn't long before it's obvious there is more to the trial than meets the eye.
Jack and Charlie defend two police officers accused of torturing a terrorist suspect in custody, but it appears one of them may be hiding something. Joe attempts to prove his client, a psychiatric patient, has been misdiagnosed as mentally ill and tries to get him released from hospital, while Laurence is disappointed with the outcome of his application to become a High Court Judge.
Laura resigns from chambers when she learns that Laurence is keeping secrets from her about a medical negligence case. Joe's psychiatric patient struggles to cope with life outside the institution and gets arrested for criminal damage, while Jack represents a deluded Robbie Williams impersonator charged with social security fraud.
Joe stands firm as he undertakes his first jury trial, defending a man suspected of destroying a speed camera - but resorts to desperate measures to ensure his client is let off. Jack and Annie represent a gang member accused of shooting and paralysing a police officer and face a tough cross-examination from Laurence. Meanwhile, Laura asks to move chambers, and Charlie finds comfort in a colleague.
A woman is accused of hiding evidence to protect her husnabd, who murdered a young boy.
Following his arrest for perverting the course of justice, Jack is released on police bail. Jack isn't impressed when his colleagues suggest he asks Frank Holcroft to help him.
Jack finds himself defending a violent gangster who is adamant that drugs found on him where planted. Jack has to work out who would want to set him up.
Jack and Frank find themselves battling in court when they both defend teenage girls accused of causing the death of a boy.
Jack and Laura find themselves defending a man who is accused of a sexual attack on his daughter ten years previously. Frank and Honor are caught in a compromising position together.
Laura and Jack find themselves defending a man who is accused of killing a burglar in his house.