The neighbors of a frontier family turn on them when it is suspected that their beloved adopted daughter was stolen from the Kiowa tribe.
Gaira, a humanoid sea beast spawned from the discarded cells of Frankenstein's monster, attacks the shores of Tokyo. While the Japanese military prepares to take action, Gaira's Gargantua brother, Sanda, descends from the mountains to defend his kin. A battle between good and evil ensues, leaving brothers divided and a city in ruins.
A friendly, successful suburban teacher and father grows dangerously addicted to cortisone, resulting in his transformation into a household despot.
