This book is exactly what one would expect from a series entitled Captain Future: pure, unadulterated space opera. Captain Future, aka Curt Newton, is a red-haired, musclebound genius who travels the solar system with his associates, dubbed the Futuremen. Grag is a robot that apparently looks a lot like the robot in The Robot vs. the Aztec Mummy. Otho is an android with white skin. The Brain is a disembodied brain in a jar. Think Futurama, only not intentionally funny.

In this installment, Captain Future gets amnesia from an explosion that also somehow changes the color of his hair and creates scars on his face, so that no one, not even Captain Future's girlfriend, can tell who he is. A crook thinks Captain Future is dead so sets out to impersonate him and the Futuemen with actors so that they can raid Captain Future's base for advanced weapons with which to commit crimes. Another villain tries to capture or kill the imposters to prevent an artificial planet from being built per Captain Future's specifications. Meanwhile, Captain Future has taken on the identity of Blackbeard and is taken in by the first crook as an assistant, since Captain Future retains all of his scientific knowledge. The real Futuremen roam around trying to figure out why he abandoned them.

The action is fast and furious. There's lots of technobabble, but surprisingly, some of it is based on real science.

This ebook credits Joseph Samachson as the author, writing as Brett Sterling. First published in Captain Future Magazine, Spring 1944.