Lawrence and Ronnie are concerned that Lachlan has been beaten up in prison again, and suspect Cain is behind it. Their suspicions prove to be accurate when Cain pays Lachlan a visit and issues an ultimatum - if he does not give him what he wants, the next attack will be a fatal one. Zak and Kerry await news of Joanie's sentencing, an unsuccessful night out gives Charity an idea, and Frank asks Jai to help him get on the right side of Megan.