Because of a case, the special case team was involved in a drug crisis.
In the end, Cheng Chuan and Ye also made sacrifices.
Xu and Cheng, who had just reunited, separated again.
"I'll wait for you to come back."
"Good"
A verbal promise became the spiritual support of the two people.
Many years later, when everything has settled and the two meet again, have they changed forever?
Purpose: To pay tribute to the people's heroes