The once promising future of high school senior Michaela Grant is thrown into chaos when a serial killer her father failed to catch makes his presence known again. Martin Tallow, a young cop looking to prove himself capable of bigger things takes on the task of keeping an eye on his boss's daughter as the two of them attempt to suss out who is sending the mysterious threats. With alarmingly simple effort, all falls into place for the killer as he takes advantage of heightened fear and ensuing mistakes to bring home the rare collectible he's had his eye on as well as a toy on which he can vent his frustrations. Can Michaela's father find them before they've been pushed beyond a breaking point? Will the killer successfully turn the daughter of the man tasked with hunting him down into his protégé? What happens when Officer Tallow returns home to his wife and kids but finds he can't seem to let his bond with Michaela go? How does Michaela cope with the pressure of returning to normal life while harboring dark desires for her fellow captive? Do they even realize how toxic their obsession with one another is?