What is life like aboard a ten-kilometer Long Boat on the Sol - Tau Ceti run? For Captain Brelling, Abishai and the crew of the Nai'a, it's about to get more dangerous than ever. The boat is preparing for Turnover and someone is doing their best to make sure the ship misses the rendezvous with HAB-5 in Tau Ceti. With thousands of cold sleep passengers, vital data and technology to deliver, the crew battles a desperate enemy in their own ranks.

Can Abishai and the crew of the Nai'a keep the ship they live on alive? Can Captain Brelling, her officers, and her security personnel discover the identities and purpose of the mysterious saboteurs without starting a panic or a witch hunt among the crew?