Kenjiro's brother, a bright scholar who was supposedly studying in the U.S., lands in the hospital. He had been suffering from neurosis and acting violently at home. All this, the family kept quiet. And Kenjiro, forced to be the "good son" at all times, has no one to turn to.

健次郎(風間俊介)と篤(内田祐介)は名門の開栄に合格したが､慶貴(桑原朋宏)はまさかの不合格｡すると､慶貴と母親の綾子(うつみ宮土理)が桜中学に乗り込んできた｡