Alain (Laurent Lucas) seems to have it all - a beautiful wife (Charlotte Gainsbourg), a perfect home and a prestigious new engeneering job. But the unexpected sexual attentions of his boss' disconcenrtingly glacial wife (Charlotte Rampling) and the discovery of a rodent, unaccountably stuck in the waste pipe of his kitchen sink, spark the beginning of a strange, unsettling and sometimes shocking chain of events that disrupts Alain's orderly life and leaves him questioning his own sanity...