Season 1 of Zoku zoku jiken premiered on September 14, 1980.

Ooka Shohei's bestselling novel has been made into a TV drama starring Wakayama Tomisaburo. This is the first in a series of "incidents" that would later be made into a series.

A 19-year-old factory worker stabs to death the bar owner, who is also his live-in partner's sister. The truth that the sisters had been fighting over him is revealed in court. This TV drama starring Wakayama Tomisaburo, based on Ooka Shohei's courtroom novel, was highly praised for its cutting into the dark side of modern society, and was later made into a series.

The second instalment of the "Incident" series, based on the bestselling novel by Ooka Shohei. First appearance on DVD. A wife whose husband was stolen away by her lover commits murder in revenge... The truth lurks behind what appears to be a simple grudge murder is revealed. A powerful work depicting family ties set in a fishing village on the outskirts of a transforming city. Wakayama Tomisaburo's sister-in-law, Nakamura Tamao, appears as the defendant, appearing in her first co-starring role with Wakayama.

The third installment of the "Incident" series, based on Ooka Shohei's best-selling novel. First appearance on DVD. Mother and son, Yasuko (Kishi Keiko) and Mamoru (Sato Koichi). The truth hidden behind the murder of a 19-year-old boy. A call for help at the "Telephone Counseling Room." Lawyer Kikuchi, played by Wakayama Tomisaburo, unravels the lonely landscape of mother and son in court. Will the outcome of domestic violence tear mother and son apart forever? ─ ─ . [Contents] Lawyer Kikuchi is asked by an unknown boxer, Seno, whom he met while jogging one morning, to defend a boy named Mamoru who is accused of murder. Mamoru is an 18-year-old college entrance exam repeater who lives with his mother, Yasuko, who works as a telephone operator. She kept pigeons as a hobby, but when she went to Okutama to let them fly, she killed a 13-year-old girl. Kikuchi is interested and visits Yasuko, but...

A cabaret hostess is murdered by a middle-aged man in a hotel in Shinjuku, Tokyo, over a financial dispute. Through the mysterious murder of the middle-aged man, this film depicts the cruelty of modern society, as well as the lonely families and parents and children. [Contents] Kikuchi is a public defender in the case of the murder of the hostess Keiko in a love hotel, and is assigned to defend the man known as Harada Shoichi, who stayed with her. Harada was invited to the hotel by Keiko in the park, but he strangled her to death over a financial dispute. However, this case has become a "ghost trial" in which both the assailant and the victim only know each other's false names.

A young doctor is suddenly accused of murder. For some reason, he is stubbornly trying to admit his guilt... What are the hidden secrets of the young doctor that are revealed one after another... A breathtaking courtroom suspense. [Contents] Attorney Kikuchi is brought in to defend a doctor at a clinic on a remote island who committed an attempted murder. The doctor's name is Seiji Aizawa. He is accused of pushing a nurse at the clinic, Harue Katsumi, off a cliff on the island, causing serious injuries. Aizawa graduated from a top university medical school and worked at a large hospital, but one day he suddenly quit the hospital and applied to work at the clinic on the remote island. Kikuchi is suspicious, and as the trial progresses, he discovers a shocking fact about Aizawa. It is a suspicion surrounding the death of a newborn baby. Moreover, the suspicion also involves Harue Katsumi, who was seriously injured...