After the mysterious death of the famous Chinese kung fu superstar Y Xiaolong, the Hong Kong police conducted a secret investigation into the case. The forensic doctor conducted an autopsy on the body of Mr. Y Xiaolong, but in the end it was fruitless. However, the forensic doctor finally discovered a strange phenomenon while sewing up Y Xiaolong's body. Mr. Y Xiaolong's heart had been stolen...
Fifty years later, one day in the future in 2033, in the laboratory of a retired professor from a certain university in New York City, the United States... Professor Smith is conducting an unprecedented scientific experiment. He used the heart of Y Xiaolong, a Chinese kung fu superstar in the 1960s and 1970s, to make the engine and pacemaker of a new type of self-powered glass man. Professor Smith also used this heart to become the main controller of the self-powered man's computer chip...
In this way, a brand new self-powered mechanical glass man was born, and Professor Smith gave it a well-deserved name (Dragon Heart)... But problems followed. This self-powered mechanical glass man had strange phenomena in an accident. The program of this self-powered mechanical glass man was slowly controlled by the willpower generated by Y Xiaolong's heart... After that, it went around looking for the five murderers who had persecuted him before. One was Takeo Miguchi, the leader of the Japanese trio, the second was the British top superintendent of Hong Kong, Richardson and Harold, and the third was Keiko Yamaguchi, the niece of Miguchi Oda. She was the woman who seduced Y Xiaolong. At that time, she used the pseudonym Dongfang Jinpei...