In a world where hearts can be swapped and emotions traded, you play as a 'Heart Broker' tasked with customizing people's feelings for profit. However, when you accidentally receive a mysterious heart from a dying artist, you begin to experience intense emotions that challenge your cold, calculated profession. Each decision you make affects your relationships and the fate of the city within a tight timeframe, leading to multiple endings based on your emotional investments. Can you save the city while untangling the web of human emotions, or will you be consumed by the heart you weren't meant to hold?