In 2019, artist Sam Cox bought a mansion in the English countryside. Stripping it bare and painting all the walls white, he then spent two years covering every inch of it with black marker doodles—whimsical, surreal scribbles dubbed “Spaghetti Graffiti.” A stop-motion film capturing this endeavor propelled “Mr. Doodle” to global fame. What began as a total and imaginative artistic vision spirals into a breakdown, forcing a battle between his artistic passion and his mental health. As his loved ones grow concerned for his health, Sam remains resolute, and the film, deftly maneuvering between...