Zankou has a plan to take over the spiritual nexus in the Manor – but Wyatt inadvertently throws a wrench in everyone's plans.
Leo is adjusting to life without powers by going on a cleaning spree. He even organizes the attic, uncovering a dollhouse Grams had made in the process.
Piper is getting annoyed by Leo's neat streak – and she's worried about how to protect him now that he has no powers.
Paige is feeling trapped and overwhelmed by her job running magic school.
Phoebe thinks everything is going well – but Elise has a surprise for her.
While Piper and Leo are debating Leo's new status, a demon in league with Zankou attacks with an evil boomerang. Leo, forgetting he's no longer a Whitelighter, shoves Piper out of the way, and gets hit. Wyatt sees his daddy bleeding and is not happy. Piper urges Paige and Phoebe to seek out the attack demons while she tries to protect Leo. Leo is not happy about being protected. Paige is thrilled to have an excuse to leave Magic School, but when she tries to recruit Phoebe, Elise stops her. Elise has a family emergency, and her second-in-command, Richard, is out sick. Phoebe will have to put the evening edition to bed.
Zankou believes Piper will send Leo to Magic School while the three sisters go after the demons. While they're distracted, he'll send a team to look for the spiritual nexus. Slight problem: Phoebe and Paige go after the demons, but Piper is still home with Leo. The surprised demons attack, and wound Leo badly. Wyatt sees this and freaks - he shrinks his parents and installs them in the doll house, thus shielding them from harm. The house is impregnable --- Piper can't even blast their way out. Paige and Phoebe flee the demon lair, and find the boys apparently alone.
Leo is ready to wait out the spell, but Piper worries that he's bleeding badly. She pep-talks him into looking out for himself – which means he gets to talk her through stitching up his wound with Gram's sewing supplies. While Paige and Phoebe are taking the boys to Magic School, Zankou and his troops arrive to search the house. Paige and Phoebe try to come back to look for Piper, but Zankou locks them out. Thus emboldened, he decides to open the nexus. It doesn't go well – Evil hasn't gained complete control over the manor, since Piper is still there. Leo figures out that the dollhouse had to open up somehow, and gets Piper to blast away at the seam. They're free! Now to go to the book to summon Paige and Phoebe. Zankou realizes Piper and Leo must still be in the house, and sets out to find them.
Paige and Phoebe reenter the Manor (after a stop-off at the paper and some crisis management there) and take out as many demons as they can without magic. But Zankou is ready for them – he found and caught tiny Piper and Leo. Before He can kill the Charmed Ones, they convince him he needs their help to deal with the Shadow in the spiritual nexus. Piper is skeptical, but Leo tells her to go ahead. They open the nexus and the Shadow is confused – should it inhabit good or evil? Since the parties are evenly matched, the Shadow decides to inhabit the one neutral force in the room – Leo. Leo uses his shadow powers to kick some demon butt. Zankou escapes. The sisters banish the Shadow from Leo, and all returns to normal.
Both Paige and Leo seem resigned to their fates, but Piper and Phoebe have a better idea. Even without powers, Leo has immense knowledge about magic. Why doesn't he take over the school? That way he'll have something useful to do, and he'll be protected. Paige is thrilled to dump her job. Phoebe sees Elise and Richard dancing at P3. Apparently her "family emergency" was just some much-needed downtime. Phoebe has a new appreciation for all that Elise does, so decides not to call her on it.