"It Ends with Us" is a novel by bestselling author Colleen Hoover. The book tells the story of Lily, a young woman who has always had a complicated relationship with her father. When Lily meets Ryle, a successful neurosurgeon, she feels an immediate connection, but soon discovers that he has a dark past and a tendency towards violence.

As Lily's relationship with Ryle becomes more intense, she must confront her own history of abuse and navigate the complexities of love, loyalty, and forgiveness. Along the way, she finds support and guidance from her friends, including her first love, Atlas, who has returned to town after years of being away.

The novel explores themes of domestic violence, family dynamics, and the power of forgiveness. It is told in alternating perspectives between Lily and Atlas, providing insight into their shared past and present struggles.

"It Ends with Us" has received critical acclaim for its sensitive and nuanced portrayal of complex relationships and difficult subjects. It is a deeply emotional and thought-provoking novel that resonates with readers who have experienced similar challenges in their own lives.