Set in a surreal, ever-shifting city where emotions manifest into reality, you play as a heart thief attempting to reclaim your own heart that was stolen by a mysterious entity. Navigate through vibrant districts representing various human emotions—joy, rage, despair, and love—while interacting with eccentric characters who embody these feelings. Solve mind-bending puzzles, uncover hidden truths about your own emotions, and decide whether to return the hearts you've stolen or keep them for your own twisted purposes. Your choices will determine how emotions evolve, affecting the city's reality and your grasp on sanity.