In a world where hearts can be swapped and sold like commodities, players assume the role of Ace, a witty heart collector who accidentally acquires a sentient heart with a vivid personality. As they navigate a bustling underbelly filled with eccentric characters—including heart smugglers, eccentric scientists, and conflicted lovers—Ace must unravel the mystery of the heart’s original owner while dealing with absurd scenarios where each decision alters the heart's whims and desires. Choices lead to outrageous consequences, from unwittingly hosting a heart-themed fashion show to dealing with a rollercoaster romance gone awry—all while maintaining Ace's trademark humor and charm.