Sixteen years ago, a meteorite fell from the skies, a weird firestorm arose, those that touched the firestorm got time allergy symptoms, their lifespan getting reduced continuously. But those who survived, discovered that they had a watch on them that could be used to trade lifespan and time. Lin Ke who is at the bottom of society, has to pay for his sister’s medical bills, he goes on a dangerous journey to hunt for time relics inside monsters.