A thirteen year old stowaway throws a monkey wrench in what was to be a simple heist for Captain Blackjack Thorn, his partner Campo Tupua, and the crew of the Privateer Green Lady. Lucky for him, the crew was actually a group of elite Marines that worked undercover for the Empire.

As they discover the events leading up, Blackjack Thorn uncovers a plot to overthrow the Monarch. Now thrown into the midst of intrigue, the crew of the Green Lady must protect the stowaway and themselves from forces seeking to wipe them all out.