New York designer Stefan Sagmeister creates work for the likes of the Rolling Stones and Also Jay Z, and lives from the city of his Fantasies. Industry is good, creative juices are flowing, yet he supposes there needs to be more alive. Sagmeister assumes the daunting project of changing his personality. On the help of a psychologist Sagmeister experiments using three unique approaches: Meditation, treatment, and drugs. The Happy Film follows all, and his pursuit that he encounters along the way: happiness, ecstasy, heartbreak, change, love, and passing.