The boys try to come up with a plan after finding Roy dead in his room with a half dressed maid.
It's John's birthday and he is hosting a Murder Mystery party in the guise of Lord Greystone.
Fearing Mick is about to reveal their kiss, Joyce gets in first to admit all to Alan.
Vaughan is keen to find more out about Carol's non-conformist interests and her racy novel, as Trevor lets off a bit of steam at the party.
The gang are on their way to their new neighbours housewarming party.