C811 Lin Yi.
On the train, Miss Jian stood up in a daze. Wu Hui took a step back and let Lee Cheng explain to her.
After all, Lee Cheng was the teacher of the two legendary investigators, Jian Ao-Son and Lin Yi. Of course, the teacher was just a side job for him. He rarely taught.
Lee Cheng had a lot of things to do. He had retired from the front line and went deep into dangerous places