Night, southern suburb of the capital.

A fast horse swept by, whip tail breaking the air hunting.

"Heave!" The Lin family's messenger was full of frost, and ignoring the danger of the night road, he repeatedly accelerated and headed straight for the military camp.

The bamboo tube with Lin Heng's handwritten letter hidden in his arms seemed to roll, making his heart beat with half fear and half excitement in his eyes.

He is an orphan ...