Lieutenant Peter Cochrane of the Quantar Royal Navy believes he has his future clearly mapped out. It begins with his new assignment as an officer on Her Majesty's Spaceship Starbound, a lightship bound for deep-space voyages of exploration. But everything changes when Peter is summoned to the office of his father, Grand Admiral Nathan Cochrane, and given devastating news: the death of a loved one.
In a distant solar system, a mysterious and unprovoked attack upon lightship Impulse resulted in the deaths of Peter's former girlfriend and many of her shipmates.