Secret Window (2004)

Secret Window (2004), an underrated mystery/thriller film rated 6.6/10 on TMDB.

Mort Rainey, a writer just emerging from a painful divorce with his ex-wife, is stalked at his remote lake house by a psychotic stranger and would-be scribe who claims Rainey swiped his best story idea. But as Rainey endeavors to prove his innocence, he begins to question his own sanity.

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