The four kinds of love that Yuriko experiences, namely, a childhood longing love, a dream of marriage, a maternal love, and a destined love between parents and children over two generations, as well as the sisterly love between Yuriko and her sister Kaori.
The series swansong, Beat '71, sees Kaji framed and sent to prison by her boyfriend's father and with the help of some hippies she strives to be re-united.
With the help of Interpol Agent Makoto Arai, the newly-powered Gorou Watari/Sanagiman/Inazuman continues his adventures, this time against the nazi-like Desper Army led by Fuehrer Geisel.