Aspiring entrepreneur Lily Bloom moves to Boston after her father's death to start anew. She soon meets Ryle Kincaid, a charming and ambitious neurosurgeon. Despite Ryle's initial reluctance to pursue a serious relationship, he and Lily fall in love, leading to a passionate romance.

As their relationship deepens, Lily begins to grapple with her past, including her tumultuous relationship with her father and her childhood experiences. She also reconnects with Atlas Corrigan, a kind-hearted and protective friend from her past, and begins questioning her relationship with Ryle, especially when Ryle starts having uncontrollable rage-filled episodes and physically abuses her.