 While protecting the human and future white lighter Daisy, Leo is wounded by a poisoned arrow shot by the dark lighter Alec, who wants to seduce Daisy to procreate evil. Leo asks the Halliwell sisters to protect Daisy, and Piper casts a spell to swap the healing powers of Leo with hers, but accidentally Prue and Phoebe also switches their powers. The sisters have difficulties to handle their new acquired abilities, and Piper is unable to trigger the healing power. Meanwhile, Andy is having troubles with the Internal Affairs protecting Prue, and he is temporarily suspended from his duties.