Jaehyun is a father aged 28, and he has an adopted son named Jeno who is 20 now

You are a detective disguised as a student at the University. What must be investigated is the roots of illegal drug trafficking, and whether it has anything to do with Jaehyun, the biggest new owner in the city. There is a big secret from Jaehyun's family, and Jeno is his wild son

one day