“Blazing Famiglia” centers around a family of former teenage gangsters. Tetsu Hino (Yoshimi Tokui) was once the leader of the most feared motorcycle gang in the Kanto area. Now, Tetsu Hino is middle-aged man who is looked down upon by his rebellious son Shuhei (Kento Hayashi). One day, Tetsu and his old biker gang gather together again after the daughter of a member is assaulted. Tetsu, worried about his day to day life, nevertheless regains the passion from his biker days. Tetsu then finds out that Ken Igarashi (Jun Murakami) is the man behind the attack. Ken Igarashi has had a grudge against Tetsu for a long time.

The story, set in the heady post-war 50s into the early 60s , revolves around a love triangle between Tomoko, long playing the mistress to married older writer Shitto (Kaoru Kobayashi) and the new stud who comes into her life, Ryota Kinoshita (Gou Ayano). Tomoko (Hikari Mitsushima) is sick and tired of her relationship with writer Shingo, who is married and has children. Shingo is a talented writer, but has yet to be recognized by the public. Tomoko then enters into a sexual relationship with younger man Ryota Kinoshita, but Tomoko is not satisfied.

Young Hana had lost everything in the earthquake and tsunami and was being taken care of by a relative named Jungo. As Hana grew up she began to fall in love with her own relative.