Miss CEO's Baby Daddy Is the Final Boss

Taegang Group is the largest conglomerate in the country. The man in line to run it, Kang Do-hyun, drives a taxi so that the job will not fall to him. One night he picks up Cha Eun-seol, who is running from people chasing her and has taken the wrong medication. They spend the night together and go back to their own lives. Four years later Cha Eun-seol turns up as the head of her own company, with a small child, and asks him to marry her. They register the marriage. Her parents press her to give the child up, and Kang Do-hyun stands in for the two of them. Her company runs into trouble and she goes to a Taegang family banquet to ask for a 10 billion won investment, without knowing that the chairman there is her husband's father. Her former fiancé Gu Jeong-tae works on her in front of the guests. The chairman keeps his granddaughter Kang Ru-mi close through the evening and can only be a grandfather to her, since he cannot say who he is. The investment does not come. Cha Eun-seol puts her company and her seat on the board against her father Cha Myeong-hwan in a bet. Kang Do-hyun goes to his own father and takes on the position he had refused.