Why Bother to Knock!

In this 1961 comedy, a hapless travel agent's life unravels when he loses his keys and his fiancée in one fateful night. A well-meaning friend inadvertently gives him multiple copies of the key, which he then uses to woo three women across Europe, unaware that they'll all converge on his Edinburgh apartment at the same time. As chaos ensues, our protagonist must navigate a complicated web of relationships and misadventures, leaving one wondering if he's more hapless than charming.