After spending the night purging his feelings about Sadie's work on the force, Mike stumbles into the station.
Still consumed by grief, Mike tries to lay blame on Ivan for Audrey's death but the autopsy confirms he was not responsible.
Both Ivan and Sadie are livid when they see Mike leave Eva's house after spending the night with her.
Mike suspects Miro is involved in a gang war with the Chinese, and suggests to Sabina that they use Ivan to get information on Miro.
Mike questions Ivan about Katya's disappearance, and Ivan confesses his crime to Miro.
Mike and his wife are expecting a baby soon; Sadie is about to graduate from the academy; Roy Sr. can't be found.
Tom arrives at the farm, responding to Sadie's call for help. She refuses to acknowledge her father as she tells Tom that Mike and Ray killed Lissie.
Mike believes that Jonathan murdered Molly, and this puts him in conflict with Tom, who's convinced that Pen did it and set up Jonathan.
Jonathan's "assault" on Pen encourages Mike to push further with the investigation. He wants to determine whether Jonathan harmed Bonnie.
The emetic that Pen gave Audrey has caused more harm than Pen anticipated, and Pen, feeling guilty, is relieved to know that Audrey will be OK.
Mike must deal with a tragic mistake: Young mother Elodie has killed herself, and Mike learns after the fact that she wasn't actually a murderer.
Newly promoted homicide detective Mike Sweeney struggles to keep his head above water. His family has been torn apart by serial killer Ray Prager.
Mike wakes up from a nightmare to realize that he's in police custody charged with murder.
Mike and Tom investigate Jake's death and discover that the evidence that could have determined Nathalie's killer has been incinerated with Jake.
Real estate agent Sally Morgan, who was last seen with Ray, is discovered dead. Her hair's been cut and Mike finds Ray's business card in her bra.
Haunted by Nathalie's death, Mike Sweeney secretly grieves and is more committed than ever to tracking down her killer.
The first series centres on Detective Mike Sweeney (Hugh Dillon - Flashpoint) and his family as they move from the city to a seemingly idyllic suburb in the hope of making a new start.
More betrayal and terrifying secrets are unleashed when Durham County returns for a second electrifying season.