In a bustling metropolis where emotions are traded as commodities, you live as a Heart Broker—an underground dealer specializing in the buying and selling of human hearts, each encoding intricate emotional baggage. One day, you accidentally acquire a heart that doesn't belong to anyone on the market. It's your job to figure out its owner before chaos erupts, leading you through absurd encounters with eccentric characters, each with their own bizarre hearts to sell. But as you dance through the shadows, will you have the guts to unravel the emotional turmoil—and possibly discover what your own heart really wants?