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Say It Isn't So synopsis

Boy (Chris Klein) meets girl (Heather Graham) ; 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.

similar movies

  • Good Luck Chuck (2007)

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  • Stuck on You (2003)

  • Saving Silverman (2001)

  • Cashback (2006)

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