Sienna lives under her brother Cruz's control. After a night with Rafe—Cruz's mortal enemy—she agrees to a fake-dating deal to push back. Four rules are set; all break. She uncovers the truth: ten years ago Cruz was involved in a bullying case, Rafe took the blame, lost everything, and Cruz let him. Sienna chooses Rafe over her brother. Cruz apologizes under family pressure; Rafe stops hating but doesn't forgive. What began as revenge becomes real. Rafe gets an NFL invite, and they promise not to let go.