As the son of the Lin family in Beijing, Lin Huai was unwilling to accept the marriage arranged by his family and chose to work as an engineer at the Luteng Branch of Shengshi Group. He led the team to break through the technical difficulties of CNC machine tools, but was robbed of his position as deputy director and his fiancée. Betrayed and humiliated by apprentices and colleagues, and even accused of embezzling public funds. In anger, he called his home phone number, and things began to turn around.