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Watch Say It Isn't So (2001) Online

  • 4.7/10
  • RUNTIME: 1h 35m
  • COUNTRIES: United States of America
  • Subtitles: English

Boy meets girl; boy falls in love (and had wild, non-stop sex) with girl; boy loses girl... when they discover they are brother and sister! But when he learns that he's the victim of the ultimate case of mistaken identity, the lovesick young man -- whom everyone still thinks is after some taboo thrills -- must race across the country to stop her from marrying another man.