Meg is alarmed by Iain's plans to propose to Kate and frets about her and Matt's secrets coming out during Martin's date with their relationship counsellor.
Matt and Meg throw a housewarming dinner, and invite Iain and his girlfriend Kate along in an attempt to draw a line under Meg's affair, but a series of mishaps threaten to ruin the evening.
Meg and Matt are running out of time to find a new house, but also really need a break from routine.
Meg and her sister Gail team up to ruin the sale of the house Meg and Matt have been renting.