Yokohama District Prosecutor's Office Central Division Prosecutor Nishimura Kanade (played by Ishihara Satomi) is on his way to interrogate a suspect when his father Tsuji Eisuke (Kuranosuke) is a third-year junior high school student.Sasaki, prosecutor of the Special Investigation Department of the Tokyo District Prosecutor's Office, passed away.I think back to when I was in first grade.From that day on, Eisuke, who was dedicated to delivering justice as a prosecutor, was involved in a corruption case and lost his life, leaving suspicion. Kanade changed his surname and moved to his mother's hometown of Nagano to live his own life.It's like he's holding his breath.Kanade wanted to be a prosecutor like her father, but her Destiny changed dramatically during her second year at Shinano University Law School.

During the final exam, Maki Nogi (Kamenashi Kazuya), who is sitting next to Kanade, suddenly starts acting friendly towards Kanade, although Kanade is surprised.Since then, Maki has continued to interact with Kanade and introduced her friends Tomomi Mori (played by Emma Miyazawa), Yuki Umeda (played by Yamamoto Yuma) and Oikawa Kaori (played by Minami Tanaka).Thanks to Maki's help, Kanade, who had been living a closed life, found friends for the first time.“Let's be friends forever.”As Kanade said, he and his friends were enjoying their youthful time on a campus full of nature.Laugh for the first time and live life to the fullest.

Kanade, who has lived a lonely life up to now, does not get along well with his father Koichiro Nogi (Toru Nakamura), while Maki, who has never really loved anyone, is gradually attracted to each other, and her friends discover the secret love, which begins.Although Kano realized that Kaori was attracted to Maki, he deliberately looked away and immersed himself in his first love...

One day, Kanade and others encountered an event they could not have imagined.After this incident, their supposedly everlasting friendship and their youth suddenly ended...

However, 12 years later... Kanade unexpectedly faced an incident from his college days again - and this incident was related to the mystery of his father's death twenty years ago...!