
The businessman Mark Mitchell meets the explorer Kyurene at an inn on the outskirts of Darjan. Mitchell promises the explorer five million in return for the assassination of a mob boss. A mysterious man cleaning up the bar attracts their attention.
To shed light on an island used for biological experiments in the past, the armed forces ask for the help of an expert biologist and Crank Bolt, the world's best explorer. They land on the island and set out in search of what caused an entire battalion to go missing.