Bayleaf and Claire start working on the restaurant. Nick seeks help with Dimitri, but he also tells him to leave Ariadne alone. After the shift, Billy takes the old uniforms , but he is caught by Pearce who is immediately suspicious. Kevin invites everybody to a party on his new boat, but Sally refuses - officially because she's got swimming training, but in truth because she's still angry with him. George goes to work in the theatre, where he saves the Russian primaballerina Larissa from a little blaze. The rest goes to Kevin's party, but he's not chuffed when - uninvited - the Pearce's turn up as well. When the party is over, Kevin cleans the boat and is attacked by two thugs who beat him up. At the station Kevin accuses Sally, but she says she has nothing to do with it.Dimitri thwarts Nick's attempts to get in touch with Ariadne. Fake firemen sell smoke-detectors to pensioners and run off with the money. Boys are playing in an old water tower and one falls down into a very deep well. Nick is rigged up in rope and let down into the well, hanging upside-down to rescue him. After this heroic effort, even DO Scase is willing to pay him respect.