Lily Bloom moves to Boston to chase her lifelong dream of opening her own business. A chance meeting with charming neurosurgeon Ryle Kincaid soon sparks an intense connection, but as the two fall deeply in love, she begins to see sides of Ryle that remind her of her parents' relationship. When Lily's first love, Atlas Corrigan, suddenly reenters her life, her relationship with Ryle gets upended, leaving her with an impossible choice.