"Three Billboards Outside Ebbing, Missouri" is not based on a true story; it is a fictional narrative created by writer and director Martin McDonagh. The film explores themes of grief, anger, and redemption through the story of a mother, Mildred Hayes, who places three billboards to draw attention to her daughter's unsolved murder. While the characters and events are not real, the film addresses real societal issues and emotions, resonating with audiences on a personal level.

At the end of "Three Billboards Outside Ebbing, Missouri," Mildred Hayes and Officer Dixon confront each other after a series of escalating events. Mildred decides to take a road trip to find her daughter's killer, but she is uncertain about the outcome. The film concludes ambiguously, with Mildred and Dixon contemplating their next steps, suggesting a possibility of redemption and change. The final scene leaves viewers questioning whether they will seek justice or revenge, highlighting the complexities of grief and morality.

There is no official sequel to "Three Billboards Outside Ebbing, Missouri." The film, directed by Martin McDonagh and released in 2017, is a standalone story that concludes without plans for a follow-up. While some viewers may hope for a sequel due to the film's popularity and impactful themes, as of now, there has been no announcement or indication from the filmmakers about a continuation of the story or its characters.

In "Three Billboards Outside Ebbing, Missouri," the daughter, Angela Hayes, is a victim of a brutal crime. She is raped and murdered, and her body is discovered by the police. The film follows her mother, Mildred Hayes, as she seeks justice for her daughter by confronting the local authorities and highlighting their inadequate investigation through the use of three billboards. Angela's death serves as the catalyst for the film's exploration of grief, anger, and the quest for accountability.