Satsujin shokubutsu ga jidō hanbaiki ni gisō shite kodomo-tachi ni mezurashī byōki o kansen sa sete karera o osotte imasu. Kono kyōi o uchi makashi, chiryō-hō o te ni ireru no wa ZAT no yakumedesu.
A killer plant is preying on young children by giving them a rare disease while disguised as a vending machine and it's up to ZAT to beat the menace and obtain the cure.