"Swimfan" is a 2002 thriller film directed by John Polson. The story follows a high school swimmer named Ben Cronin, who becomes the target of an obsessive new girl, Amy Miller. After a brief encounter, Amy's infatuation escalates into dangerous behavior, threatening Ben's relationships and future. The film explores themes of obsession, betrayal, and the consequences of impulsive actions. As Ben tries to distance himself from Amy, her relentless pursuit leads to a series of dramatic events that put his life and the lives of those around him at risk.