Cat struggles to get her suspicions taken seriously after her mother's mysterious death. She tracks down an old friend from her past who may be able to shed light on the present.

The day of the funeral arrives and the extended family gather to bury Mary. Jim reintroduces a strange and distant relative to the household.

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.