As Adam Darwin takes the reigns at his late farther's intergalactic mining operation, he finds he has to prove himself to trustees who will in-time award him his inheritance. To show he is indeed greater than his father in this dangerous business, he is convinced by an inventor to explore the inner core of a near planet that needs surveying for mineral resources. Using the newly assembled 'subterranean prospector' Adam and Jay launch it deep into the planets core only to discover they cannot control its path and destination. They are forced to survive far below the planets crust in a new world cut off from any human, can they endevour to survive and escape the depths which they are lost in, and can they live to tell their tale about adventures miles below a planets surface?