Coop takes Phoebe down memory lane of all of her past loves from this life and from her past lives, in an attempt to get her to open her heart for love again. Meanwhile Piper's already full plate gets a few more things placed on it when Leo's former students arrive, looking for refuge from several powerful demons who are hunting them. As Paige and Henry start planning their honeymoon, Christy is reluctant to go along with Billie's plains to be reunited with their parents. Later, after the triad kills their parents, Christy discovers that it was part of her final test to put their final plan into place.