While clearing out their late father's garage in Manhattan, the three Goldman siblings discover a shocking truth: their painfully unfunny accountant father, Marvin, was once a stand-up comedian. And not just any comedian – according to an old Village Voice article, he performed a legendary routine in 1966 that supposedly predicted everything from social media to reality TV with uncanny accuracy. The only known recording of this prophetic performance has been lost for decades and is now worth a small fortune. Michael (an uptight tax attorney secretly doing open mics), Sarah (a scatterbrained yoga instructor convinced of her comedic destiny), and Danny (a struggling actor giving increasingly fictional NBC Studio tours) each launch their quest to find the tape. What starts as a treasure hunt soon unravels decades of family secrets. Their mother, Barbara, it turns out, is not just dating her late husband's former comedy rival Jerry Brooks – she's been secretly performing her stand-up act at the senior center for years. The siblings ' search intensifies when documentary filmmaker Riley Martinez offers big money for the tape. As they interview ancient comedians, raid storage units, and crash retirement community talent shows, they discover they're all trying to live up to a father they never knew. The tape finally surfaces in the most obvious place – their mother's wedding album – only to reveal their father was a terrible comedian. But in watching his gloriously awful performance, they recognize something more valuable than talent: the joy of being yourself, even if the joke falls flat. The play ends at the senior center talent show, where each Goldman takes the stage to perform their own delightfully awful routine while vintage footage of their father plays silently behind them. In the final moment, Barbara steps up to the mic and delivers her late husband's signature catchphrase with her twist, revealing she was the funny one.