The movie Who Killed Cooper Dunn? is a psychological thriller that takes place in a remote wilderness camping site. The plot of the movie revolves around six childhood friends who reunite for a weekend trip in the woods to mourn the loss of their friend Cooper Dunn, who was killed in a hit-and-run accident.
As the weekend progresses, tensions rise and the group begins to suspect that one of them may have been responsible for Dunn's death. With no cell service and no way to call for help, the friends are forced to confront each other and their own dark secrets as their mental states deteriorate.
The group's paranoia and suspicion reach a fever pitch as they turn on each other, trying to uncover who among them is guilty of Dunn's murder. As the truth slowly unfolds, the friends realize that their own sins and guilt may have played a part in their friend's death, leading to a tragic and unexpected ending.
Overall, Who Killed Cooper Dunn? is a gripping psychological thriller that explores the depths of human nature, the power of guilt, and the lengths people will go to protect their secrets.