As Piper and Phoebe begin gushing about how great married life is, Paige starts to feel left out, resulting in her suspicions of Cole being a demon again starting to grow. Meanwhile, the Seer gives Cole a special tonic that cause Phoebe to get pregnant as soon as possible.

When Cole attempts to unite the underworld before his coronation as the Source, a group of exiled vampires take it upon themselves to kidnap Paige, in an attempt to turn her and as a result, her sisters, vampires so they can claim the evil underworld throne as their own with the help of the Charmed Ones. However, when Cole learns of their plans, he orders that all vampires be killed, and as a result, Paige's life hangs in the balance.