High school seniors Cady LaBrie and Cooper Murphy have yet to set one toe out of line—they’ve never stayed out all night or snuck into a movie, never gotten drunk or gone skinny-dipping. But they have each other, forty-eight hours before graduation, and a Weekend Bucket List.

There’s a lot riding on this one weekend, especially since Cady and Cooper have yet to admit, much less resolve, their confounding feelings for one another—feelings that prove even more difficult to discern when genial high school dropout Eli Stanley joins their epic adventure. But as the trio ticks through their bucket list, the questions they face shift toward something new: Must friendship play second fiddle to romance? Or can it be the ultimate prize?