To know your enemy, you must first become them A year of heartbreak. A year of devastation. Billie stands on the edge of sanity, torn between two dangerous forces—and one impossible choice. The Highers or The Meta... Him. He is the creator of her nightmares and everything she despises. But their fates are bound together, and he may hold the key to a reckoning the world has been waiting for. Playing the deadly game of ally, donning the mask of a friend, she infiltrates him from within. But where loyalties shift and lines blur, Billie risks losing herself to the winter. War waits for no one. She must decide if the price is worth it. But protecting her heart may cost her everything.