Henry Wilt is a more or less failed teacher who fantasizes about murdering his dominant non-attentive wife Eva. At a party who gets stuck in an inflatable doll and makes a complete fool of himself. Eventually he dumps the doll in a hole at a building site. However he has been witnessed getting rid of the doll and when his wife disappears on the night after the party the police and Inspector Flint have strong suspicions on Mr Wilt.