David Wozniak has reached his 40s without a single adult responsibility. Just when he decides to take control of his life, news arrives that after a series of sperm donations he made 20 years earlier, he’s fathered 533 children, of which 142 are determined to discover his identity.

With a high-concept pitch as his springboard—an enthusiastic sperm donor discovers he’s fathered 533 kids—Québécois writer-director Ken Scott dives into a winning series of set-pieces and sight gags. Deftly attuned to the nuances of genre, Starbuck brings new meaning to the term “coming-of-age.”