Allie accidentally lets slip that she and Jenny are related around Hoshi, which causes some strain on their sexy times. Tina starts thinking about ways to monetize her milk, but Maddie has her own plans for the would-be dominant woman involving their adult baby Ruth. Cassie and her friends finally ambush Leila and Maddie afterwards, but it doesn't work out exactly as planned. Instead, Dana and Miguel get zapped again; he gets magical sexual endurance, and she gets turned into a weredog...

Many of the characters come to decision points about where they want their lives to lead. Cassie tries to explain the device to Miguel and Dana, recruiting them against Leila, but before the confrontation can happen she winds up fucking a teammate. Maddie has a taste of public humiliation, but it helps her come to terms with her mental dilemma, and she devises a plan.

Maddie starts to realize that some traits seem contagious. Tina gets zapped again, making her lactation spreadable as well. Maddie and Leila decide to ditch school for a few days to figure things out, but a new function of the device reveals itself, and Leila winds up zapping an old bully of theirs, who they chance to meet on their mini-vacation. Meanwhile, Cassie starts putting the pieces together, but wrongly, while Dana and Miguel have issues at home thanks to their new nudism.

Maddie, Leila, and Cassie engage in a petplay threesome, after which Cassie gets a more advanced form of nudism. Meanwhile, Jenny, Allie, and Hoshi are having a lesbian pet threesome of their own, and spreading their fetishes to the puppy girl. The following day sees Cassie finding the device, but making the same mistake as Leila did, uses it on her friends Dana and Miguel, bringing them into the fold.

Maddie and Leila have a threesome with Cassie, and then they go and meet Jenny, who is more catty than ever after a third zap from the device. The three test out her new power by having public petplay sex in a nearby park. Meanwhile, Allie is interviewing for a job as a high-class escort, and dragging Katrina into whoredom with her. She and her mom share some fun afterwards, and she really embraces her role as AllieCat.

Allie and Katrina livestream a sex show. Maddie and Leila have some milky fun at work with Tina, followed by a trigger mishap. Leila continues to transform into a more rabbity state of being.

Maddie gets involved with her mom and sister's sex games, while Leila starts succumbing to a blackmail attempt by their milky boss Tina. Maddie falls into the trap, too, but turns out to be a bit more clever and ruthless than Tina expected. Their victory celebration is sweet, but results in Leila unwittingly using the device on Maddie while she sleeps.