The Crew of the HST Darcek

In the Alpha Centauri world, a young captain suffering from addiction must hire a complete crew to help him pilot the HST Darcek, a space freighter. Accustomed to being surrounded by robots, he must now rely on humans. The criminal Cartels are forcing him to carry illegal contraband and the authorities are after him to catch him with it. Is this going to be his last contract?