Dark Deeds — Mike Brooks

In the third book of the Keiko series, Captain Ichabod Drift and his crew find themselves in another mess as a ship-wide vacation leads to their second-in-command taken hostage by the planet's criminal mastermind.

After the riotous civil war in Dark Sky, the crew of the Keiko decides to go on vacation at an illegal gambling port for a little fun. What they don't realize is that the casinos are run by an ex-client who didn't get his shipment due to the war. The mob boss decides to take Tamara Rouke, the Keiko's second-in-command, and hold her hostage until the crew raises enough money to pay him back for the lost shipment. If they don't pay up in time, Rouke will be killed.

Captain Ichabod Drift and his crew agree. But as they find a way to get the funds, one will betray everyone and one will die…