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.
Kazuki Hayakawa
Mutuo Toura
Taeko Katakura
Ayako Takarai
Yoshifumi Katakura
Katsuko Akiyoshi
Yuji Yashiro
Caretaker
Yukari Ishida
Satoko Sunagawa
A-san
Shizuko Koito
Katsuyuki Akiyoshi
Takako Koito
Ishikawa, Police
Kinue Ishida
Izumi Shinoda