Michael Adams is a documentary film-maker with aspirations to work in feature film production, and his wife Kate has a career in public relations. Kate complains that their sex life is suffering because of their busy schedules, so they plan a romantic evening in. Michael arrives home to find Kate's sister Becky there, so retaliates by inviting his best friend Lander over. Then their friends Ruth and Tom show up as well. Kate and Michael retreat to the kitchen to argue in private, but the guests get shut in the dining room so they manage to spend some special time together after all.

Michael bumps into Anne, an old girlfriend from college, and invites Kate to meet her. Lander comes along too and he and Michael compete for Anne's attention.

Kate discovers that Michael has retained the lease on the flat he lived in before they were married. She wants him to get rid of it, but he has a sentimental attachment to it.Kate tries to get her own back using a rugby shirt which belonged to one of her old boyfriends.