A high-school boy, Cameron, cannot date Bianca until her anti-social older sister, Kat, has a boyfriend. So, Cameron pays a mysterious boy, Patrick, to charm Kat.

With a reputation for seducing members of the opposite sex, regardless of their marital status, a notorious womanizer discovers a beauty who seems impervious to his charms. However, as he continues to pursue the indifferent lady, he finds himself falling in love.