From the bestselling author of The Rules of Supervillainy: Captain Cassius Mass can only run so far from his problems and the galaxy isn't big enough to hide from those pursuing him. Cassius soon finds himself blackmailed into a mission that will clear him of all charges as well as protect him from future persecution: bring an end to the civil war currently racking the galaxy. Accompanied by a new set of untrustworthy allies, the crew of the Melampus, and the A.I duplicate of his dead wife—Cassius needs to figure out how to not only deal with his target but also his employers. Because the entire universe is at stake.