In Galileo, Fukuyama Masaharu plays a genius physicist and university associate professor, Yukawa Manabu, who solves difficult mysteries. Affectionately known as Detective Galileo, Yukawa is brilliant, an all-round sportsman, tall and handsome but eccentric. Yukawa's partner is a rookie cop, Utsumi Kaoru, a hot-blooded woman with a strong sense of justice.