As the world crumbles with a deadly virus, Edge-Runners are the only ones able to survive. They take what they can from buildings about to fall and pawn them off for necessities. Fierce Edge-Runner, Audri Collins, is humanity's only hope. Her only friend, Parker Casen has been stricken with this virus and now she must find the antidote. The fight for both their lives is jeopardized when Audri and Parker must go through mental and physical challenges to get the much-needed medicine. Armed with an antidote and wit, the two try their best to save each other, but can they outfight the race against the clock?

Lyanna Jones is one of the best detectives in New York City. Her passion for her work has always led her to the right place at the right time, except the night of the chief's party. When Lyanna sees the truth of her esteemed partner, Duncan, she knows what she has to do. But will it cost her life?