In 'Whose Heart Is It Anyway?', players step into the shoes of Cassie, a heart-thieving detective in a world where emotions are physically separated from their owners. After a mysterious heist leaves a prestigious collection of hearts stolen, it's up to Cassie to track down the miscreants and reclaim the hearts. As players navigate through a series of dramatic narrative choices, they meet characters who have had their emotions ripped away, each with unique backstories that reveal clues to the thief’s identity. Players must solve puzzles derived from emotional states, trade with shadowy figures, and choose moral paths that affect the game's outcome. With every choice, Cassie's own heart is put at risk, leading to a thrilling climax that challenges the essence of what it means to feel.