Esumi's character Tamami is the "bull doctor" of the show's title, which comes from the word "bulldozer." Ignoring any opposition from the people around her, she uses any means necessary to determine the truth behind the deaths of the bodies she examines. Because of her personality, she is constantly at odds with both Ishihara and Inagaki's characters.

18 years later, Tu'an's favorite son, Tu'an Wujiang grew up. The young man, who was adept in both pen and sword, was a rising political star. But rumor said that he was not Tu'an gu's biological son. Cheng Daye, was involved in this mystery too. As the puzzle was cleared step by step, the truth that Tu'an had killed the Zhaos came into fight, it turned out Chang Daye was Zhao Wu, the orphan of Zhao. Cheng Ying who had kept the secret for life despite of others’ misunderstanding finally won victory and let the justice be served. During the Spring and Autumn period, Tu An Gu, the highest ranking military officer of the kingdom of Jin, orchestrated a coup d'état and framed general Zhao Shuo for its instigation, resulting in the extermination of the entire Zhao clan. There was one survivor, however - the infant son of Zhao Shuo and Zhuang Ji, whose life was saved by the physician Cheng Ying at tremendous personal risk. Cheng Ying then cleverly planned for the child to stay at the home of Tu An Gu. Eighteen years later, Tu An Gu's pride and joy is his son Tu Yue, a rising star skilled with both pen and sword. However, rumors spread that Tu Yue is not Tu An Gu's biological son, and even Cheng Ying's son Cheng Da Ye, Tu An Gu's godson and Tu Yue's study buddy, becomes embroiled in the mystery of the identity of the Zhao family orphan. In the end, Tu An Gu's role in the the bloody case of the Zhao family's extermination becomes abundantly clear, and Cheng Ying, a seemingly insignificant and spurned figure for most of his life, finally garners victory and restores justice.

Su Jiu'er, the daughter of a general, encounters the 9th prince while on the run from her stepmother who is trying to kill her. Su Jiu'er (Shao Weishi) is the sassy daughter of a general. Due to her noble birthright as her father's legitimate daughter, her stepmother has been out to get her. While on the run, she meets the ninth royal highness (Shen Haonan) and they fall in love at first sight. The 9th prince disregards his arranged marriage to marry Jiu'er instead, and it further angers her vicious stepmother as well as Su Yue (Zhang Zhen) who was supposed to be the bride. At the same time, the empress has been pressuring them at every step... An imperial decree, a substitute marriage, a fate of good fortune, can the lovers live happily ever after?

With her husband rarely home because of work, Saitou Masako raises her kindergarten son by herself. With a strong sense of what's right, she is never afraid to confront people who violate the rules of society. While her righteousness makes her a heroine among the kindergarteners, their mothers have learned to keep their distance from all the trouble Saitou brings with her. Mano Wakaba, a soft-spoken mother who had problems with her son turning violent at his previous school, soon moves into the neighborhood. Eager to get along with the other mothers at the kindergarten, Mano does her best to please, and pushes her son Takeru to do the same, even if it puts her at odds with Saitou. When Takeru gets burned by a smoker whose cigarette brushes his face, Mano is content to let it go, but Saitou steps in to confront the man, asking for an apology. When the man stubbornly refuses, a scuffle ensues and the man runs away. When the bystanders watching begin clapping their hands, Mano is left in awe. As circumstances push her and Saitou together, Mano must choose between bending over to please the other mothers or joining Saitou and facing alienation.

33-year-old Akiyama Satomi is a history teacher at the prestigious all-girls high school she once attended. She has earned the nickname "ohitorisama" (meaning "one person"wink.gif for her perfectionism and capability to handle any work by herself. At the same time, the name also refers to her lack of romance. One day, a young man named Shinichi arrives at the school as a temporary instructor. He's ten years younger than Satomi, has only worked part-time jobs, and has neither money nor status. Although the other female teachers and students find him cute, he is completely not Satomi's type... or is he? Will love blossom between this unlikely pair?