Step into the shoes of Jamie, a quirky heartstrings technician in a futuristic city where emotions are literally traded and emotions can be replaced, swapped, or stolen. When a sinister entity threatens the balance of feelings by capturing hearts and selling them in the black market, Jamie unexpectedly finds a mysterious heart on their doorstep, setting off a whirlwind adventure to discover its owner. Along the way, you'll interact with a colorful cast of characters, engage in heart-related puzzles, and navigate complex relationships—all while trying to figure out: whose heart is it, and how far would you go to protect the emotions you hold dear?