Jack is furious to learn that Jimmy and Cain are responsible for the fire and he heads over to the Kings’ to get to the bottom of the matter. Tom tells Jack to look in his own backyard and points out the feud between Robert and Andy. Jack goes to his car to find that Robert has disappeared. Will Jack take this as confirmation of his involvement with the fire? Meanwhile, Jimmy is in a critical condition having been stabbed by Daz. But unwilling to get the police involved, Matthew and Carl bully a reluctant Max to stitch him up on the vet's table. Elsewhere, Cain wakes a worried Sam and insists that he must be his alibi if anyone calls. Will Sam cover up for his brother?