In 1990, Hagizaki Tatsuo, the accounting department chief of Ukishima Electric Works, was busy negotiating on getting a loan together with Sekino, the company's general manager. However, just as they were about to get the funds, Sekino was involved in a 200 million yen fraud and he later disappeared with the loan. The company decides to cover up the incident to protect its image, but Hagizaki wants to get to the bottom of the matter with the help of his newspaper reporter friend, Muraki. Hagizaki later notices that the case becomes darker and darker as he continues to investigate. He then meets a beautiful woman, Uezaki Etsuko, whom he believes hold the key to the entire incident.

Saichi Nagase is the number one salesperson at a real estate agency whose biggest fault is being overly honest and unable to lie.

Takamine Hana is a super ace employee at a traditional confectionary company. Despite her elite look and high performance, Hana only has love skills of a fifth grader. Hana has recently fell in love with Yowaki Tsuyoshi, a young employee who always gets scolded. Can Hana make Tsuyoshi like her back? Will a love bloom between the two?

After a junior detective dies in the line of duty during an active investigation, Detective Masaki Sara of the Tokyo Metropolitan Police First Investigation Division is transferred to Section 1 of the Personnel Division, the internal affairs unit that investigates officers suspected of misconduct. Still traumatized by his past, Masaki is forced to carry out his duties as a lonely outcast as his colleagues shun him as a snitch. One day, a message arrives. It's a tipoff that Saiko Minaguchi, Masaki's former colleague in the First Investigation Division, is leaking confidential information. Although Masaki is reluctant to investigate someone he used to work with, he obeys his boss and starts looking into Saiko. He soon discovers a link to an unresolved murder and some buried facts about the death of his junior detective Saito. What shocking truth awaits Masaki beyond his suspicions and inner conflict?

Ko Himi (Yuko Takeuchi) works as a lawyer and she is also an expert in crisis management. Her clients are women who are trapped in scandals. Ko Himi never gives up on her clients and does whatever is necessary for justice to take place.

Mitsuki is shy and rather isolated at school. Towa is on the basketball team and Mitsuki's class-mate. Due to circumstances, Mitsuki soon begins to socialize with four jocks of the basketball team, which affects her self-esteem, her social status, her loneliness and her life. She finds a new lease in her school life.