I know your secret

Gu Chu, a medical student who had to interrupt his studies due to family changes, experienced several years of social experience and returned to school, wanting to complete his studies and his original dream. During her graduation internship, she met Lu Beichen, who was the chief prosecutor of the forensic center. Lu Beichen's other identity was the twin brother of Gu Chu's late boyfriend Lu Beishen. Gu Chu worked hard to get along with Lu Beichen with complicated emotions, but Lu Beichen was stubborn about the death of his younger brother and was prejudiced against Gu Chu. The two of them gradually let go of their worries while solving one case after another together. Just when they thought they could start over, the brotherhood and the conflicts between the two families stood in front of them. In the end, justice defeats evil, love influences everything, the truth makes the murderer unable to hide, and the love between the two people is also cultivated.