'It Ends with Us' is a drama and romance film that focuses on the life of Lily Bloom. After having lived a somewhat complicated childhood, Lily wants to start anew in Boston and fulfill her dream of becoming a businesswoman. Once she moves there, she opens her own flower shop and on the opening day, she meets Ryle Kincaid, a guy she connects with immediately. They begin to date, get to know each other, and fall in love, until the protagonist realizes that they are repeating the same pattern as her parents' relationship, which brings her back to her traumas. On top of this, she reunites with Atlas Corrigan, her ex and first love. Both situations turn Lily's feelings upside down, and she will have to face an important choice.

The film is based on the first book in the series by Colleen Hoover titled the same. It stars Blake Lively as Lily and Justin Baldoni as Ryle. The rest of the cast also includes actors Jenny Slate, Hasan Minhaj, Amy Morton, and Brandon Sklenar.

As for the director, it is the actor who plays Ryle, Justin Baldoni himself. The production is handled by Alex Saks, Jamey Heath, and Christy Hal, along with the writer, Blake Lively, and again Justin Baldoni. The screenplay is by Christy Hall.