After secretly loving Derek for years, Hailey finally gathers the courage to confess her feelings. But before she can, she discovers Derek has started dating her own best friend, leaving her devastated.

Trying to drown her heartbreak, Hailey spends the night drinking alone until a dangerous encounter takes an unexpected turn when Tyler steps in to protect her. In her drunken state, she mistakes him for Derek, and the night ends in a misunderstanding that changes everything.

The next morning, Hailey is horrified to learn the man she spent the night with is actually Tyler—her newly acquired stepbrother and Derek’s older brother. As guilt, attraction, and family ties become hopelessly tangled, the three find themselves trapped in a relationship where love and loyalty collide.