The Huge Explosion

Gu Ning directly dumped the two unconscious men on the ground and went to attack the five men at once. She easily grabbed their guns away, which scared them.

"The bombs in the underground room will explode in four minutes. If you don't want to die here, run away now," said Gu Ning and continued to pull the two unconscious men outside.

Hearing that, the five men were frightened. None of them dared to check whether Gu Ning was telling the truth, because they knew that there were indeed bombs in the underground room.

Although they were members of an illegal gang, it didn't mean that they didn't cherish their life. No one would choose to die if there was a possibility to stay alive. Therefore, they immediately ran towards the door, and pressed the alarm bell at the same time.

Once the bell rang, all the people in the office building ran outside.