Kiyoshi's biological mother, Hiroko, planned the death of her ex-husband Kiyoshi Kazu, and even planned the death of Representative Takechi.
Just when everyone was questioning, Daoshang learned that Haozi had visited Daoshang's family's small restaurant, and Daoshang was trembling.
Later, in order to find the whereabouts of Hiroko, he came to Ehime again and learned that although Suzuki had had a relationship with Hiroko, he lied and said he didn't know anything.
Why did Suzuki hide his relationship with Hiroko? As new doubts emerged on the road, Suzuki remembered the incident in high school when he visited the Kiyo family's family one day...