Say It Isn't So(2001)
They share a love. They share a passion. And they might share DNA.
4.7/ 10 (178 votes)
1h 35m
They share a love. They share a passion. And they might share DNA.
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.
