The epic conclusion to the Edge Series.Their roles have switched, and the cure kills.Will they come home whole? Or will both of them be broken?Caden must follow the clues of Greyson's past to find her cure in the present--unraveling a series of events he has no knowledge of in order to lead his wife to safety.He'll give up everything to be there for her. His sanity. His career. His life. No sacrifice is too great. No puzzle too complex. He must finish what his wife started and solve this shocking mystery before he loses her forever.--------The EdgeRough EdgeOn the EdgeBroken EdgeOver the Edge