Lan Wenchen used to be a well-known senior engineer in a network security management organization. Three years after resigning from her position, she was contacted again by the organization’s administrator.On that day, Lan Wenchen received a secret mission with a large amount of money to assist in the investigation of the case and crack the network of the “Platinum Building”, which is known as one of the world’s famous companies.So Lan Wenchen bit the bullet and complied.