Jack is suspended and Dennis steps up. James takes advantage of Mairead's overdose but jack tries to help.
Jack starts an investigation into a prostitution ring that has links with people in town. Also, as Jack's affair with Gemma grows stronger, tension grows between him and Brian. Costello takes advantage of the situation.
Jack continues his investigation of the burnt down house but is constantly side-tracked. Gemma makes a decision about her love life and seeks revenge.
Jack investigates a fire in a friend's, Killian, house. Shortly after, Killian's dead sister is found in the house. Kilian had made a deal with Costello in the past so Jack is suspicious. Meanwhile, Jack has a fling and the plans fot the pub continue on their way.
As he is pressured to solve the crime, Jack discovers a link between his uncle and the death of Seamus Devlin. Brian decides to stay and Dennis has plans for the pub.
A teenager is accused of murder after the body of elderly recluse Seamus Devlin is discovered dead in a field. As Jack investigates, his cousin unexpectedly pays him a visit. Jack's mother reveals a devastating family secret.