Han Shang Yan’s team, K&K, has just lost the Cybersecurity Tournament (CTF) to team SP. He used to be a professional gamer and a legend in his field. Now, he is the owner of a cyber club and in charge of a group of young gamers. His task is to train them to be the best and he takes his job very seriously. Although he is strict and gives them a lot of pressure, Han also cares a lot about them. His team leader is Wu Bai, who is also his cousin.