Episode 1 This is my answer.

Eun Soo-hyun (played by Kim Nam-joo) is the first writer in South Korea to win the Rosalind Literary Award and is also a famous psychology professor; her husband Kang Soo-ho (played by Kim Nam-joo) is a journalist with a sense of justice who is unwilling to succumb to politicians, but is forced by realityHe resigned and worked as an anchor at an unknown TV station, and started taking neuroleptics.When Soo-hyun was on a business trip, he learned that his son Jiang Jianyou (played by Li Jun) had a fever, so he hurriedly returned home. Fortunately, his condition was not serious.However, Jianyou went out alone when his parents were not paying attention, and he was killed in a car accident.Under the persuasion of his mother Oh Go-eun (played by Won Mi-kyung), Soo-hyun decided not to let Gun-woo suffer anymore, so Gun-woo was declared dead.Kwon Ji-woong (played by Oh Man-seok), a hit-and-run suspect who is a representative of a construction company, argued that he was too panicked to abandon the body and showed remorse. The defense lawyer even questioned Soo-hyun for not closing the door of the house.Zhixiong was eventually given a suspended sentence, which aroused dissatisfaction among his family and the public.Xiuxian begged Zhixiong to apologize to Jianyou, but Zhixiong humiliated Xiuxian with compensation, so Xiuxian drove and killed Zhixiong.