Kazuyuki Yamamura works at a major advertising agency, and is the breadwinner of his family, which consists of himself, wife Miki, and daughter Rie. He purchases a house, and is proud of being at the pinnacle of his career. Kazuyuki's neighbor, Yusuke Sugio, however, leads a completely different life. The breadwinner of his family is his wife Shoko, who runs her own company. Yusuke is a so-called "at-home dad," and because of this, Kazuyuki considers him miserable and helpless. Suddenly one day, Kazuyuki is forced to quit his company. At the same time, his wife receives a call from her former employer saying he wants her to come back to work. Consequently, Kazuyuki has no other choice but to stay at home while Miki works. Kazuyuki reluctantly starts his new life as a household husband—the last thing he wanted to do. Kazuyuki's new "career" starts out as a big failure, because he can't seem to do anything right. This consequently causes his pride as an elite businessman to go right down the drain. But thanks to his hard-working personality, he is determined to get the ball rolling—and soon after, finds himself enjoying life as an at-home dad. From this point on, Kazuyuki begins looking up to Yusuke as his mentor.

Liu Fang, a Beijing youth, fled after accidentally pushing Luo Chun Yang off a cliff. Liu Fang left home and walked arduously in the snow to look for Lei Xiao Man. Liu Fang fainted on the way, but a passing carriage found him and took him back to the Corps. With the help of Lei Xiao Man, Ciu Li Li, and Jia Zheng Jun, Liu Fang was able to stay in the Corps. This starts the emotional tellings of the life in the Great Northern Wilderness Corps in the early 1970s.

Yun Shitong's father Yun Ding suddenly goes missing during her wedding. Leng Fei tells Duan Fei that his father's death is likely to have been closely connected to Yun Ding. At the same time, Hong Ding company is on the brink of collapse and Han Zhiming works with his father to go against Yun Shitong. Shortly after, Yun Ding dies from an accident and Duan Fei goes missing. Various evidences point to Duan Fei as the murderer. Can Shi Tong solve the mystery?

Kentaro Arita is a popular lawyer, who often appears on TV. He becomes involved in an adultery incident and becomes the subject of criticism and curiosity. He is then found dead. The police investigate Kentaro Arita’s family, his colleagues at the law office, and his lover actress Natsuki Toyama. The police are unable to determine a suspect and the case goes unsolved. 5 years later, day laborer Tatsuji Kosaka is found dead at a construction site. There is evidence that links the murders of Lawyer Kentaro Arita and Tatsuji Kosaka. Tomo Yashiro and Risa Narumi begin to investigate the two cases.

At the end of the Sui dynasty, Emperor Li Guang begins to doubt the loyalty of General Li Yuan. In an effort to solidify the latter's loyalty, Li Guang decides to betroth his beautiful daughter Ruo Xi to Li Yuan's eldest son, Li Jian Cheng. However, Ruo Xi has already fallen mutually in love with Li Yuan's second son, Li Shi Min. This instigates a feud between the two brothers and their respective loyalists, eventually leading to the fall of the Sui dynasty and the beginning of the Tang dynasty.

"I thought I might be using a lifetime's happiness in a moment. I was that happy and she was that beautiful." A young boy stands on the red earth of Australia under its blue sky. It is 17-year-old Sakutaro Matsumoto. His time with the girl comes back to him. The colored sand runs through his hands and a tear appears on his cheek. He wakes up. It's 2004 and he is 34 years old and in Japan. He thinks "I have been in a world without her for 17 years." Returning home to see his old high school for the last time before it is demolished, Saku confronts anew the loss of the love of his life, Aki, to leukemia 17 years ago. Now a medical researcher at graduate school, he has been living as if half of him died with her since then. Based on the bestselling novel that sold over 3 million copies, the past and present come together in this love story that is both pure and sad.

A controlling single mum and her rebellious daughter get their second chance at love.

Seo-rin who was recognized for her directing skills abroad, returns to Korea and will be the director of a green drama "Natural Romance". She will also be reuniting with Soo-hyeok who has been with her for a long time, since they were young and on the set. Unlike before, Soo-hyeok is now a top actor. They spent their childhood together, and whenever Seo-rin sees Soo-hyeok who once confessed to her, she feels happy.