Jason Lee, Julia Stiles and Selma Blair star in this hysterically funny romance bursting with "surprising comedy, likable characters, memorable gags and running jokes that are funny every time" (Knight Ridder)!

Paul is engaged to Karen (Blair) when he meets the perfect girl, Becky (Stiles)... at his bachelor party. And to make matters worse, he’s just discovered that the two are cousins! So in a situation like this, what’s the "guy thing" to do? Tell white lies and cover things up.

But as the wedding date fast approaches, Paul finds himself falling for Becky and is faced with an impossible decision: do the right thing or lose the real thing forever!.