In Tokyo, the dysfunctional friends Nimura and Mamoru work in a laundry of towels in part time. Nimura sees a bright future only in dreams, and Mamoru is adapting a venom jellyfish in fresh water. Their boss likes them and gives a bonus and proposes a full time work for them. Mamoru kills the boss's family in a attack of rage without any reason and he is sentenced to death. Nimura keeps the jellyfish and releases it in a canal of Tokyo. Meanwhile, Mamoru's father comes to Tokyo for the funeral of his son, and Nimura stays with him, while the jellyfishes threatens the population of Tokyo.
—Claudio Carvalho, Rio de Janeiro, Brazil