How to write the beginning of urban power novels?

It was dark, and dim street lamps shone on the empty main road. A figure appeared furtively and trotted to the front of the building. It seems to look at this side in panic, just want to open the door-

Bang!

It seems to be the voice of skull fracture. So-and-so (the protagonist) looks indifferent. At the moment when the man fell, he took away the documents that were about to be scattered.

Then the protagonist replaced that person, knew XXX's trick, and smiled evilly: "I, XXX, won't let you go so smoothly."

Then he turned XXX over domineering, his power was seen by a big country, and then the devil trained something.