Entropy and the crew of IPV-734 have returned from the very limits of time and space to where their journey began, but the all-consuming plague known as the Boil still looms in their near future. As the group struggles to escape seemingly inevitable destruction and fold themselves back into a new timeline, they must also outrun a band of cybernetic outlaws—Entropy’s genetic sisters, intent on murdering her and the entire crew.Soon they are battling for their very lives in a contest of will that pits Entropy against her own kind.