Adopted to different families shortly after birth, identical twin brothers Scott and Henry grow to manhood having no idea that the other exists. They ultimately wind up on opposite sides of the fence, for Scott "Zipper" Conlon is a member of the Skuldmen, an outlaw motorcycle club, and Henry Baker is a federal law enforcement officer.During a stakeout, when FBI agent Mitchell Gates observes Zipper leaving the apartment of a suspected terrorist, he...