Kagetora Tendô, caught in his own trap after showing his tattoos to the students, managed to save his place thanks to Onizuka. Having finally obtained the recognition of his rival, Kagetora wanted to give up his mission to become a teacher again, but the yakuzas put pressure on him and he no longer had a choice. He had to eliminate Onizuka by taking advantage of the class trip to the islands of Okinawa prefecture, all under the supervision of a gang member. He finally decided to rush him from the top of a waterfall during a trek, to make it look like an accident, but...