Four people are discovered brutally murdered in an up-scale high-rise apartment. All the victims appear to be family, but as the investigation deepens it is discovered that one of the victims isn't related to the family.
Takehiro Murata
Ryo Kase
Toshie Negishi
Saki Terashima
Takuro Atsuki
Wakaba Irie
Ittoku Kishibe
Tokie Hidari
