Maang Lung plot
A team of young Interpol agents arrive in Hong Kong to testify against local gang leader 'Puma' Duen. They are part of a convoy that is ambushed on its way to the courthouse by a group of North Korean agents led by international terrorist Petros Davinci. He seeks revenge for the murder of his brother by Puma and his brother, "Tiger" Duen. After Puma is liquidated, the Interpol team is eager to find Petros himself, but this is opposed by Hon Sun who places the team under the The experienced leadership of Police Commissioner Kong Long, who also doesn't feel like it. After initially hesitating, he too has to give in to the ambition of the younger colleagues and so the whole team goes on the hunt for terrorist Petros.