A seven-year-old programming prodigy, known as a legend in the hacking world, claims to be a genius. However, no one in the city knows his true identity. He confesses to his mother that he is indeed this legendary figure, but she doesn’t believe him, thinking he’s just kidding. She insists on taking him to a research institute to enroll in a program, only to run into his biological father—her first love, who has become a pretentious person.