In the world of Achilles Curse, a curse causes humans to live healthy incredibly long lives. However, they have one soft spot in their bodies that can bring them death. A detective with a secret ability to see other Achilles’ curse attends an exclusive birthday celebration day at Laurent Museum that presents a legendary treasure showcase. The event quickly takes a turn after a group of thieves rob the treasure, leading to a murder mystery. He must solve the case with an adorable scammer.