Mallory can't wait to play in her town's new girls' basketball league! What could be more fun than trying something new and being on a team? But Mallory's basketball career gets off to a rocky start. None of her friends are on her team. And no matter how much she tries, she can't make a basket.

Mallory works as hard as she can to improve. But as her team heads to the playoffs, she still feels like the weakest player. Will she let her teammates down? Or is there more to being part of a team than just winning the game?