Willow turns Amy the Rat into her old self; Jonathan, Warren and Andrew steal a diamond; and Spike discovers something unexpected about Buffy.

After Dawn talks to a guidance counselor about her feeling lonely, she accidentally puts a spell on Buffy and her friends, trapping them inside the Summer's house with a sword-wielding demon.

Anya returns to Sunnydale, bent on vengeance on Xander for leaving her at the altar. She has reclaimed her vengeance demon abilities, but order to use them, she must get one of his frustratingly-forgiving friends to wish him harm.

Xander and Spike search for the source of a spell that has bewitched the girls into competing for the affections of the high school quarterback.

Kennedy, a potential Slayer, takes Willow on a date, which is interrupted when Willow finds herself transformed into Warren. The other Potentials go on a retreat with Giles, who the gang realize may have been replaced by the First. Spike's chip is having agonizing malfunctions, and he and Buffy return to the Initiative to search for a fix.

After their horrifying loss at the vineyard, the gang turn against Buffy and begin to follow Faith instead. Meanwhile, Spike and Andrew travel to an old church to question a priest about Caleb.