After Cole mysteriously leaves following the Charmed Ones fought off Belthazor, Phoebe starts to worry and wonder what has happened to him. As the sisters begin mixing the potion that they plan on using to destroy Belthazor, they get an unexpected visitor: a demon bounty hunter called Krell. When he tells them that he was sent by the Source to destroy Belthazor, Prue and Piper readily agree to help him out, while Phoebe is preoccupied by her worry for Cole. Later, the sisters are surprised to discover Cole's identity and as a result, Phoebe is conflicted whether she should help vanquish Belthazor or let him escape.