Teen superstars Mary-Kate and Ashley take sibling rivalry to a whole new level in their latest movie, The Challenge. Playing estranged twin sisters who are total opposites, ambitious, uptight Lizzie (Ashley) and laid-back tree-hugger Shane (Mary-Kate) have to learn how to live -- and compete -- with each other. The girls are both unknowingly selected for the same team on a popular TV reality show and college scholarships are on the line! Will this ratings scheme by deceitful producers bring the girls closer or push them apart forever? Shot in a scenic Mexican resort in Cabo San Lucas, this light-hearted comedy/adventure is the final entry in Mary-Kate and Ashley's successful series of small-screen movies before they begin their big-screen career in 2004!

But first, the games must begin..