Set free by the Teen Angels from his prehistoric block of glacier ice, comes the world's first superhero, Captain Caveman!

Ella Bishop is an inhibited girl whose frustrations grow as she approaches womanhood. As a women, her ambitions to teach cause her to lose her only opportunity for true love. Ella’s life becomes one of missed chances and wrong choices.

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.