Ollie is in love with a woman. When he discovers that she is already married, he tries to kill himself. Of course, the suicide is avoided and the boys join the Foreign Legion to get away from their troubles. Finally, they are arrested for trying to desert the Legion and to escape the firing squad by stealing a plane.

The venomous and amoral wife of a wealthy architect tries, any way she can, to break up the blossoming romance between her husband and his new mistress; a good-natured young widow who holds a dark past.

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.