During the Republic of China, warlords were fighting on the surface and the situation was turbulent, but in reality strangers were running rampant in the dark. Su Ying was originally a gangster on the streets of Shanghai who made a living by cheating and kidnapping. He accidentally discovered that he had the ability to see through people's hearts. In an accident, he was involved in a whirlpool of espionage war between China and Japan.
