In a world where emotions can be borrowed, you play as a 'Heart Broker,' who facilitates emotional exchanges between people looking to enhance their experiences or heal heartbreak. Unbeknownst to you, a mysterious figure starts borrowing parts of your own heart, leading to unpredictable outcomes. As you navigate through conversations, dilemmas, and ethical quandaries, you'll need to piece together who this figure is and why they are after your emotions while handling the consequences of trading your own heart. Will you harness the power of the heart or suffer from its loss?