In an imaginative city where emotions manifest as physical objects, you play as a 'Heart Librarian,' tasked with locating missing hearts that have mysteriously been misplaced throughout the surreal landscape. Each heart is linked to a different citizen's emotional state, and your job involves navigating through whimsical dreamscapes, solving puzzles, and negotiating with eccentric characters that embody various human emotions. Along the way, you'll unravel the mystery of why the hearts are disappearing and face a moral dilemma that intertwines with your own emotions. Your choices will determine the fate of both the citizens and your own heart.