ComedyRomance
Say It Isn't So
"They share a love. They share a passion. And they might share DNA."
March 10, 2001
1h 35m
4.7/10
Overview
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.
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