The Bagua map revolves around Hoang Hai, the only son of the famous banker Minh Tam. Hoang Hai loves and wants to marry Nhat Linh - a poor, hard-working teacher who lives with her autistic brother and alcoholic father. Hoang Hai's mother objected because she thought that the subject was not registered for her. Overcoming many challenges, Hoang Hai and Nhat Linh came to an end: a happy wedding. Their joy was multiplied when Nhat Linh became pregnant and gave birth to Thanh Thien. Waves began to rise when Hoang Hai accidentally took a blood test with Thanh Thien and learned that he was not the baby's father. The truth is that Thanh Thien is the son of Gia Vi, a close friend of Hoang Hai, who once raped Nhat Linh in a group of friends going out together. Hoang Hai suffered because he thought his wife and best friend betrayed him, he gradually became a different person.
