Winnie Friedman has been waiting for the world to catch on to what she already knows: she's hilarious. After bombing a stand-up set at her own bat mitzvah, Winnie has kept her jokes to herself. Well, to herself and her dad, a former comedian and her inspiration. Then, on the second day of tenth grade, the funniest guy in school actually laughs at a comment she makes in the lunch line and asks her to join the improv troupe. Maybe he's even . . . flirting?...