The situation underground is not looking good for the five trapped together and the pressure starts to increase as truths, lies and confessions are revealed. Jamie is scared that Karen may uncover the truth about what happened with Gloria. Ruby wants to be accepted as part of the Maguire family while Aidan is fed up with being treated like the idiot child. Frank discovers the brick he carved into all those years ago with his 35-year-old time capsule. Karen looks for clues, while Gloria wrestles with her guilt over Jamie. A search party is formed after it it is discovered what Shane wasplanning but time isn't on their side and decisions have to be made whether to involve the police.