C239

Around midnight, Pang Jie indeed sneaked up on the city wall under Nan Zhijun's surveillance. He knocked out the guards one by one and stuck the letter on the wall with a long rope.

After that, Nan Zhijun, who was hiding in the dark, saw the rope being pulled up by Pang Jie three times. She saw that there was a letter made of animal fur tied to the rope.

Pang Jie tied the rope around his neck