Twenty-one-year-old tennis phenom Penny Harrison is on the brink of superstardom as she prepares for a crucial Grand Slam in Paris. Returning to the Outer Banks Tennis Club to train, she is forced to confront her past with Alex Russell—the bad boy tennis champion who once broke her heart. As Penny tries to stay focused by leaning on fellow rising stars Jasmine Randazzo and Indiana Gaffney and their own off-court drama, her unresolved chemistry with Alex threatens to derail her chances at everything she’s worked for.