Delivery rider Luo Feng was handed a copper coin as a tip by the antique shop owner. That night, he discovered that he could see the kidnapping taking place in the building opposite through the wall.
After saving people, he thought he could use this super power to change his life - until he received a text message:
"You saw something you shouldn't have seen. Hand over the copper or you'll be like that woman."
What frightened him even more was that the copper coin was getting hotter and hotter...
