During a long, hot summer in seventies London, young neighbors Holly and Marina make a childhood pact to be friends forever. For Marina, troubled, fiercely independent, determined to try everything, Holly stays the only constant in a life of divorcing parents, experimental drugs and fashionable self-destruction. But for Holly, a friendship that has never been equal gradually starts to feel like a trap.

Three 40-something women in a small English town meet weekly for a ritual of gin, cigarettes, and sweets -- and swapped stories arguing which of them has the most pathetic love life. Kate is headmistress at the local school; her best friends are the town's police chief and a cynical, thrice-divorced doctor.