Art dealer and rogue Charlie, burdened with a hefty sum of debt to the British government, is enlisted by Inspector Martland to locate a stolen Goya painting. This particular artwork is no ordinary piece; it's linked to a lost Nazi treasure and is coveted by many, putting Charlie at the center of a dangerous chase. Accompanied by his loyal, but brutish manservant Jock, and under the scrutinizing and sometimes disapproving eye of his wife Johanna, Charlie embarks on a globetrotting adventure that takes him from the high society circles of London to the opulent estates of Russia.

As Charlie dives deeper into the mystery, he encounters a range of eccentric characters, each with their own ulterior motives. Meanwhile, Martland’s affection for Johanna strains their professional relationship, adding personal tension to the chaotic pursuit. As secrets unravel and alliances shift, Charlie must use all his wit and charm to stay one step ahead of those intent on claiming the painting for themselves. Amidst a backdrop of international intrigues, Charlie’s quest intertwines deception with humor, leading to unexpected turns as he unravels layers of hidden truths.