Katana is Poison Ivy's personal slave. When her training starts to wear off, her owner decides to give her another "treatment". Katana's mind is taken over by the vines and she becomes mesmerized by Poison Ivy's words. The vines are making her horny and she starts to masturbate. The mistress then pulls out a cock and has Katana pleasure her by sucking it. The training works and Katana is once again her personal slave.