Season 2 follows social worker Christine and her family whose loyalties are tested when they're confronted by a stranger.

Christine's family, oldest son Will, youngest son Jamie and daughter Megan, are trying to get on with their lives after the recent tragic death of their brother Liam. As they look forward to Megan's wedding, the family have their lives turned upside down when a stranger, Connor, arrives in town claiming a connection that nobody could have imagined. As buried secrets come to light, they must consider who they are and grapple with morality and divided loyalty. As their lives spiral out of control, a terrible pact may be all that can save them.