The underworld boss Yue Tu and the wealthy Chen Yixing have business dealings in the world. They specialize in kidnapping the children of rich people to swindle money. But because he was wanted by the police, he fled far away. 　 Many years ago in Vietnam, Ruan Zhennan and Chen Yixing were business partners, but Chen kept the money he earned for himself. After Ruan's death, his sons Ruan Guohao and Ruan Wenyi pursued debts from Chen. But in order to be greedy for money, Chen teamed up with Yue Tu to deal with the two brothers and sisters, hoping to kill and silence them...