I'm trying to write it, just think it's me writing it casually, and you can take a look at it casually. The male and female protagonists are designated cp, and the rest have no cp direction.
A murder suddenly occurred in the home of a couple who were about to get married. Po was killed at home and stabbed in the abdomen. Her boyfriend Cang became the only suspect. However, with the investigation of Officer Heyu, he found that the two of them were not ordinary lovers. He also believed that based on their relationship, Cang could never be the murderer of Po.
Intention: Cherish the people you love and the people who love you