Nao is troubled by her husband's domestic violence, and her husband has gone missing. Rio, who can't break off the physical relationship with her cohabiting biological father. Although both have secrets, they maintained a harmonious relationship as neighbors. One day... Nao is assaulted by a masked man who infiltrated from somewhere. In a panic, Nao consults Rio, who introduces her to a detective searching for Rio's husband Sei's whereabouts... The vanished husband, the suspicious cleaner, the lecherous biological father, and the mysterious detective... Who is the
