Don't Bother to Knock

An Edinburgh travel agent loses his keys and his fiancÃ© in one night. A friend finds the keys and makes loads of copies with his address attached as a joke. She gives them to him as he leaves for a holiday. He gives the keys to several women he romances across the continent. He gets engaged again by phone and arranges to meet his fiancÃ© at his flat, but the flat isn't empty...