Aiko (Akita Shiori) , who witnessed the shocking state of her sister Saeko (Takada Riho) , is shocked to learn from Yuma (Kageyama Takuya) that Saeko and Takatoshi (Ikeda Masashi) were secretly connected and the truth behind Aiko's fall... Aiko cannot accept that her beloved sister Saeko, who she is close with, tried to kill her. Meanwhile, Saeko, who has lost Yuma, goes to see him after work and takes an outrageous action!? Meanwhile, Takatoshi arrives at Aiko's place as she is waiting for Yuma!