Kate owns a horse farm in the Echo Valley - a remote and very picturesque place. One day her daughter Claire returns home - frightened and trembling. The girl tells her mother that she had a fight with her boyfriend and hit him with a stone. Kate helps her daughter - in the middle of the night she throws him into a pond. Soon after, a suspicious man appears at her doorstep, who begins to blackmail Kate, claiming that he knows what happened. The woman realizes that her daughter has serious addiction problems, but she refuses to admit until the end that her daughter is manipulating her.