Takashi Hagiwara

About the wedding day of Seto Ryosuke, an elementary school teacher, and Aikawa Mizuki, a lemon farmer. Right before the ceremony, Mizuki finds out that his partner didn't tell his parents, relatives, and friends that he is marrying a man. This discovery starts a series of events the two have to face, like a furious outburst of Ryosuke's father, a big fight between heads of the two families, as well as an appearance of Mizuki's ex-boyfriend.

The story continues from the Japanese SIGNAL drama series. In 2021, a limousine taxi driver causes an accident on a highway and a high-level government official dies in the accident. The cold case investigation unit, including Kento Saegusa and team leader Misaki Sakurai, have doubts about the case. Meanwhile, in 2009, administrative officers die consecutively in car accidents. The police announce these deaths as accidents. Takeshi Ōyama believes that these deaths were not the product of simple accidents. At 11:23 pm, a walkie-talkie turns on and makes a connection between the future and past. Kento Saegusa and Takeshi Ōyama face the threat of bioterrorism.

Hitsujido Honpo, an established Japanese-style sweets company known for its traditional flavours and reliability, has maintained a modest popularity. To win a new segment of customers, it has embarked on new business development. The leader of this team of five young employees is 28-year old Kudo Mayuko (Takahata Mitsuki). Mayuko was headhunted by the current CEO Okazaki Kengo (Maruyama Tomomi), for her achievements in her previous job. However, she struggles with the difficulty of new business development and pressures within the company. One day, a “new” 68-year-old employee Niimoto Kazuo (Kusakari Masao) is assigned to be Mayuko’s subordinate all of a sudden. She is dumbfounded to learn that he is 40 years her senior and even feels anger. Mayuko is confronted with the question of whether he should do the old job he was proud of? Or a new job as a brand new employee, and assumes the role of mentor.