Xuan Yuan, the spirit snake god, came to earth to chase the stolen Marriage Heart-protecting Pill. He turned into a snake and rescued the little maid Qing He who was afraid of snakes. Qing He rescued a seriously injured man on his way back and hid it in the mansion, which caused many interesting things. When she was persistently looking for the graceful snake with a moon mark on its tail, she did not know the man's true identity, nor did she realize that she was connected to the sealed female devil's aura, and a fateful entanglement began.
