Tatematsu Minoru, a yakuza belonging to the Ishikawa group that runs the Shinjuku area, has a beautiful sister named Akane. He dreams of sending her to college and turning her into a perfect young lady. He's extremely fond of Akane. His fondness for her goes beyond how he feels about his mistress, Kanae. And yet, Akane feels alone. Now, a new tutor comes into her life that seems to have taken a liking to her...
Namiko is married, but has an infatuation with Ishizuka who runs a nightclub. The businessman is also planning on wrecking the company of Namiko's husband. As personal lives and professional careers intertwine and cross one another including a love triangle dangerously, the affair is taken up a notch following a murder.
A businessman who dreams of a successful career ends up embroiled in a murder case after a love affair.
