In 2040, the end of the world is approaching, strange creatures are swallowing up the human world like a vicious tide, cities are reduced to ruins, and despair is spreading in every inch of the air. Lin Yu, an ordinary office worker, unexpectedly awakens the power of cards in a desperate situation. With the help of mysterious card warriors, he embarks on a life-and-death confrontation with strange creatures. In the process, he met like-minded partners and formed a stronghold together. But the strange truth is far from being as simple as it seems, and there is a huge conspiracy hidden behind it. Can Lin Yu lead everyone to use cards as blades to cut through the darkness and rebuild a bright home?