Horrified to hear that Todd and Theo are moving to Belfast together, Summer tells Todd she suspects Theo killed Billy. How will Todd react to her accusation? Feeling unwell, Roy leaves his bat-watch meeting early and goes to bed. As smoke is later spotted coming from his flat, no one knows he's at home. Will he be found in time? As Debbie calls the girls together to organise a trip, Bernie reveals Carl offered to share information about Billy's death with Summer in return for Billy's life insurance.