Season start. Jim Hogan is determined to atone for his mistakes and reunites with his family. But when the whole family gathers around Fiona, who was involved in a car accident, information that threatens to split the family once again.

Fiona tries to recall what has happened in recent weeks, while being questioned about the discovery of her husband's dead body. A look back shows Jim and Paul witnessing an abuse by gang leader Kian.

Paul has to choose between helping Kian or protecting his friends. Police Dez Breen continues the interview with Fiona while Jim's attempt to rebuild his life encounters a hardship when he fails in a job interview.

After talking to Jim, Dez feels that he is starting to approach the truth about what happened to Paul. A look back shows Paul worried about Fiona leaving him and how it would be too much for him to handle.

Season finale. Fiona is interrogated again by Dez and she tells the police how shortly before Paul's death she received a bad message about her health, and how that information in combination with Kian's pressure became too much for Paul to handle.