Tick. Tock. Tick Tock. The clock is winding down. Let's play a game, a daring game, until the bells do sound. She plays with time like a lover's touch, a mesmerizing skill. She'll steal your heart, your clockwork heart, and then your very will.Nathan and Olivia are back and this time the clock is not on their side. From the heart of the Keep of Keys a new villain arrives to take over Mainspring and rain down a chaos of past, present, and future nightmares.