Four beautiful rivals at an invitation-only martial-arts tournament join forces against a sinister threat. Princess Kasumi (Devon Aoki) is an aristocratic warrior trained by martial-arts masters. Tina Armstrong (Jaime Pressly) is a wrestling superstar. Helena Douglas (Sarah Carter) is an athlete with a tragic past. Christie Allen (Holly Valance) earns her keep as a thief and an assassin-for-hire.