Based on the novel by Taylor Jenkins Reid, One True Loves follows Emma Blair, a woman torn between two loves. After losing her husband Jesse in a tragic accident, she rebuilds her life and finds love again with her old friend Sam. However, when Jesse miraculously returns, Emma must navigate her emotions and decide who her one true love is—her first love or her second chance at happiness. The film explores themes of love, loss, and finding yourself in the face of impossible choices.