Denny Burke is on the verge of graduating high school after a difficult senior year marked by hardship: a leg injury, heartbreak, and a fractured family. To celebrate, Denny and four close friends embark on a final rock-climbing adventure, hoping to embrace adulthood. During the trip, the five teens experience a profound genetic change, far beyond anything they could have anticipated. Now, Denny must make a pivotal choice: relinquish these newfound abilities and remain ordinary, or keep them and redefine what it means to be human.