After the divorce, Shuo Okatani (played by Atsushi Ito) cheated on his wife Ayaka (played by Mariko Shinoda). In order to win the custody of his beloved daughter Xinning (played by Amiri Isomura), he ran across the high wall where his father's custody rate was only 10%.Why did Sima Yaren (played by Koike Torihiro), the agent of the Art Office where Xinning, who had an extramarital affair with Ayaka, move to the next door to the Okatani apartment?He couldn't guess his true meaning.

Under the instructions of Detective Yu Misaki (played by Sato Oki), he used a selfie stick to stretch out his smartphone on the balcony to shoot the relationship between them, but his front teeth, which were too unwilling to accept, fell off...One day, Ayaka made a rice ball for She, and the ingredients inside turned out to be a wedding ring.In addition, Ayaka forced all her clothes to wash.Seeing that Aya Ka's harassment against She became more and more serious, Yu proposed new secret strategies in order to get excellent lawyers to assist She as soon as possible.

On the other hand, in order to live a new life with Masato, Ayaga divorced She. She wanted to get huge alimony from Xinning's kinship and So, so she visited She, the same-savvy divorce lawyer, Toshiko Toshiko (Miki Mizuno).At this moment, Ayaka came to Yaren again who lived in the next room.This time, Shiga Yu must seize the decisive evidence of the two people's misconduct, so he set up a radio microphone and other machines...?