Continuity mistake: When the main character is swimming and then bumps into Josh who is dead, in the shot underwater there is a lot of blood, but when it cuts to above the water, there is no blood in the water, and when it cuts back to below the water, there is a lot of blood again.

Swimfan (2002)
Ending / spoiler
Directed by: John Polson
Starring: Dan Hedaya, Jesse Bradford, Erika Christensen, Jason Ritter, Shiri Appleby, Clayne Crawford, Kate Burton, Kia Goodwin
Madison kills Josh after he realizes how obsessed she is with Ben. Madison runs over Amy, framing Ben, but she confesses and Ben and his friends get it on tape. Madison is taken away by the cops but she kills them and kidnaps Amy. She pages Ben and tells him to meet her at the pool. Madison throws Amy into the pool tied to a chair, but Ben saves her and throws Madison in the pool and she drowns. A few days later, ben and amy drive off into the sunset together.
Cady




