Han Bin, an elite private bodyguard who once belonged to Country W, failed in his mission to protect the little girl Sherry's family. The whole family was brutally killed, and the high-tech biotechnology capsules researched by his father were lost. Since then, he has disappeared and has been decadent all day long. His old partner hopes that he can cheer up and bring a new mission to protect the global tour of Country H's girl group. He continued to receive death threats along the way. Han Bin overcame all difficulties and dangers and locked in the final suspect, Anji, the adopted daughter of the richest man. It turned out that the richest man was the real murderer behind the attack on Sherry's family. The real purpose of planning this series of terrorist incidents was not the girl group, but Han Bin! It was to avenge his son who died in Han Bin's hands. The cold-blooded suspect Anji turned out to be the little girl Sherry...