In a dystopian future where emotions can be extracted and traded like commodities, you play as Zephyr, a heart appliance mechanic who specializes in swapping hearts among individuals to better fit societal standards. One fateful day, during a routine heart exchange, you receive a mysterious heart that stirs forbidden emotions and memories. As you dive deeper into its past, you find yourself embroiled in a conspiracy that spans across the entire city. Who does this heart belong to? Can you unravel the lives interconnected by this stolen emotion before it's too late? Your choices will dictate your alliances, love stories, and even the fate of the city's heart trade.