In 'Whose Heart Is It Anyway?', players step into the quirky world of Aiden, a charming yet reckless heart-thief who accidentally swaps hearts with a mysterious stranger at a carnival. As players navigate through the vibrant, absurd landscapes of the heart market, they must solve riddles and engage with eccentric characters to uncover the identity of the stranger and the reason behind the heart exchange. The choices players make will alter the course of the story, leading to multiple comedic and unpredictable endings.