Henry has ended his marriage to Caroline and run off with his daughter's teacher, Martha. Caroline, having shredded a wardrobe-full of Henry's suits, has gone after them.
Craig and Leslie have dropped over from next door to catch up on the fallout from Henry and Caroline's all-night row.
And Janice, Caroline's sister, is staying for the weekend to look after the children because Janice is the sensible one.
Then Craig enters through the bedroom window expecting a tryst with Caroline and finds Janice instead, Leslie storms in full of threats, Henry, Caroline and Martha arrive back from the airport in separate taxis - and let's not even get started on Brendan the pizza guy.
Janice can cope with all that. But when her ex-husband Alec knocks on the door things suddenly get complicated...
