The Kotori Police Station came to the police station for compliance inspection, Yamada Kayoko (Liaohe Kasuga).She declared this week Compliance Enhancement Week, and the department began to get noisy.Yamada provided strict compliance guidance on intimidation during interrogations, suspects' meals, and even wedding posters in the agency.It is said that those who violate compliance must undergo 2 hours of training after get off work. Forensic officer Yui Saijo (Mayu Matsuoka), medical office staff Miki Kira (Minami Tanaka), and Iori Kiyama (Takizawa) of the Traffic Division Ke Ling) felt the crisis.In order not to participate in the training, the three began to investigate Yamada's past...

At this time, Naoki Serizawa (Aoi Nakamura) from the Criminal Division came.He came to ask Saijo for fingerprint identification.The case took place in the home of lawyer couple Iga Tsuyoshi (Fukui Seiichi) and Yoko (Anan Atsuko).On that day, a blind date was held at the Iga house between the office secretary Kato Yuki (Yasukawa Mari) and the eldest son next door, Nakayama Kenichi (Kanda Seiji).During this period, the high-end watch he had just collected was stolen.Serizawa and others had doubts about the theft of a relatively cheap 2 million yen watch in their collection.

In order to collect fingerprints, Tsuyoshi, Yoko, their daughter Emi (Rin Kataoka), Yuki, and Kenichi came to the Bird Tour Agency.Having just had an argument with Yoko, fingerprint collection cannot be carried out, and Saijo is bored.

Another day, Saijo discovers that the stolen watch is being sold on a second-hand goods app...?