In Nebraska City in 1991, inseparable best friends AJ and Moose are looking for their next big idea after a home-brewed beer scheme falls apart. When they get the chance to run the local swimming pool’s snack shack, the summer becomes a mix of mischief, freedom and self-discovery. But the arrival of Brooke, a effortlessly cool lifeguard, complicates their plans and puts their friendship to the test.