Kinley is thrilled to be cast as Juliet in her high school's "Romeo and Juliet," but she needs to practice kissing for her role, so she daringly enlists her long-estranged brother Brandon for help. After losing a bet, he reluctantly agrees, and their rehearsals ignite unexpectedly intense sparks, plunging them into a whirlwind of newfound feelings and experiences that will utterly transform their understanding of love and family relations.