After sharing a lingering kiss with Potential Slayer Kennedy, Willow transforms into Warren as a mysterious spell hits. Meanwhile, Giles had taken the Potentials to the desert to meet the First Slayer but the gang get word that Giles may be an agent of the First and race to intervene. Xander and others arrive to learn that Giles is indeed himself.
Desperate for cash, Buffy takes a job in a fast food restaurant where the odd manager and high turnover of employees has her more than a little suspicious. When co-workers start ending up in pieces, the mystery behind the “secret ingredient” comes into question.
The morning breaks and neither Buffy nor Willow came home from a night of debauchery. Buffy is ashamed of having slept with Spike and Willow is exhausted from casting spells with Amy all night. Amy takes Willow to a warlock whose particular brand of magic quickly has Willow hooked while Buffy tries to rationalize Willow’s struggles to Xander and Anya which is actually a cover to try and convince herself that sleeping with Spike was okay as a “one time deal”
Willow, reeling from the breakup with Tara, figures out a way to turn Amy back into a human once and for all. The two witches hang out and start using a ton of magic, drawing Willow further into her addiction. Willow develops a taste for real power and discovers she likes it.
Willow is still reeling from Oz’s departure and this is worsened when she drops by his place to see all of his stuff is gone. Desperate to find some peace, Willow casts a spell which she intends to use to “wish” broken heart to heal. Instead, it backfires and causes other definitive statements from her to come true. Giles goes blind, Xander becomes a literal demon magnet, and Buffy and Spike fall in love and get engaged.
Desperate to remain popular, Cordelia dumps Xander on Valentine’s Day even though she still has feelings for him. Xander catches Amy Madison using magic to avoid doing homework, so he blackmails her into casting a love spell on Cordelia so he can turn around and dump her to make her feel as bad as he does.