This episode takes place three years after the previous one, in which the killer of Judge Natalie Rodman escaped justice.
The victim: Trent McAllister, the killer: Lexi Moore.
Trent is the owner of a company that specializes in high end repossessions while Lexi is a friend to Thomas Anderson, Trent's estranged grandson. Trent's body is found next to a helicopter having by being caught in the rear rotor. The team reunites to pursue both the previously unsolved and current homicides.
The victim: Judge Natalie Rodman, the killer: Lexi Moore.
Judge Rodman is a long-time respected jurist who is also one of Angie's mentors who helped her make the career choice to be a detective. Lexi is one of Judge Rodman's law clerks. The case begins as an arson investigation after a barbecue explodes at Mr. & Mrs. Rodman's home. The barbecue was rigged to explode when turned on. Natalie survives the explosion but dies of internal injuries suffered during the explosion. As Angie digs into Natalie's past she discovers some unsavory details of her mentor's life.
Meanwhile, Angie acts as Staff Sergeant in the wake of Oscar's retirement and Sergeant Saunders of Internal Affairs approaches Brian about a possible career opportunity.
The victim: Nancy Bailin, the killer: Rand Hardy.
Nancy is an intelligent high school student and a writer/photographer for the school newspaper. Randy is a teacher at the school and also serves as the faculty advisor for the newspaper. Nancy's brother, Josh, confessed to the killing and is in prison.
As Angie is leaving for vacation, a woman, Susan Bailin, with a bomb strapped to her person stops her and forces her to go back to the police station where she takes numerous hostages. Her demand is for the release of her son, Josh Martin, who she claims is innocent. Angie connives Susan to let her detectives go and with Oscar and Betty, they reopen the case.
The killer: Dustin Hess, the victim: Lori Oliver
Lori is a successful, best-selling crime novelist, while Dustin is a creative writing professor at Langara College. He thinks very little of Lori's work and puts it down most any chance he gets. When Lori collapses and dies at a book signing and Betty soon determines that she was poisoned. The poison is slow acting and symptoms can take up a 20 days to show, leaving the detectives with a lengthy timeline to investigate.
The killer: Cameron Radcliffe; the victim: Nathan Conroy.
Detectives Flynn and Vega investigate when the body of a young man is found buried in a densely populated urban neighborhood. The investigation has Angie revisiting her experience as a juror. She must also deal with her feelings as Manny heads off on a trip to Europe.
The killer: pediatric surgeon Dr. Monika Harper; the victim: news shop owner and ex-military man Hank Cousineau.
Hank is found in the back of his store, dead from having his throat slit. The investigation first centers on a group of young thugs who were trying to extort money from the store owners. Then, the detectives have a look at Hank's camera, which contains dozens of photos of Dr. Monika Harper and her husband and child. They decide to look deeper into Monika's past and discover a secret she has been hiding all her life.
The killer: AA Member Barry Ketchum; the victim: mortgage broker Eric Chase.
When Eric Chase is found strangled outside his office, Detectives Flynn and Vega focus their investigation on his ex-wife, Claudia Powell, an activist who recently lost a custody battle for their son. The investigation eventually leads Angie to Toronto.
The killer: Sarah Muller; the victim: high-priced attorney Shawn Mitchell.
Sarah, a grocery store clerk who is involved in a messy divorce and custody battle kills attorney Shawn in what looks like a home robbery gone wrong. As the investigation unfolds, Angie is preoccupied with her son Manny's on vandalism charges.
The killer: Tom, a high school student; the victim: Glen Martin, a popular singing science teacher at Tom's high school.
Tom, a quiet student, enjoys being invisible so that he can engage in his favorite activity of creeping; breaking into people's homes just for the fun of it.