Mark finds himself dealing with a family left reeling from an unexplained assault. David Blackwell has been hospitalized and an innocent passer-by is in a critical condition. Mark needs to find out why this family was targeted.
The family at the safe house come under pressure as their cover story is tested. There is increasing concern for eldest son Sam, who remains missing, but it is the father David who finds himself under police scrutiny.
In the final episode, Sam Blackwell and his young brother Joe head off across the lake and find themselves caught up in a terrifying ordeal. Robert and Mark work to resolve the situation, but events dramatically spiral.