In the Galilean colonies of the outer solar system, water is a resource more precious than gold. When someone begins stealing it from under the noses of the Jovian Collective, they send for their best operatives to correct the situation.
Assassins for hire, Sean and Siobhan Ikiedo, are sent to shut down the pirate operation that has plagued the Europa Colony for months. Little do they realize that the man they are ordered to eliminate holds the answer to an unsolved mystery they have pursued for ten years.
Someone in the Jovian Collective is going to extraordinary lengths to prevent the twins from discovering who murdered their parents, and their assignment quickly reveals itself to be a trap designed to ensnare and destroy them as well.