 Prue stops Piper s car nearby the lake where her mother drowned twenty years ago, and she recalls her death. When she sees a man dying in the lake, she is contained by a weird man, who saves her life from a demon in the lake. Prue meets Piper and Phoebe at home, and Leo discloses that the man that saved her is Sam Wilder, a former white lighter in charge of protecting their mother and also that they felt in love for each other. When Patty died, Sam became a mortal. The Halliwell sisters go to the summer camp nearby the lake trying to avoid the children to get close of the water and to destroy the demon.