Toko (Fukatsu Eri), decides after she turns 30 that she is all but ready to give up on any future career hopes or romance, so she turns to the bottle for comfort. She knows that this isn't the best thing, but can't find the strength right now to do anything except choose the easy way to do things. This causes her to start getting down on herself. Luckily though, she doesn't give up hope completely, and tries to take things as they come. Which proves to help to some degree. Suddenly one day, a guy by the name of Kotaro (Tsutsumi Shinichi) comes along. Like Toko, Kotaro hasn't had much luck at work either. Even so, this is still the same guy that Toko liked when she was younger. Naturally, Toko is thrilled to see Kotaro after such a long time, but eventually finds out that he is about as insensitive as you can get, and is self-centered to boot. This really gets to Toko. What's worse is that Toko ends up starting a small company with him, even though she had to leave her position at a large company because of trouble they were involved in together.

The story tells about two girls who envy of each other due to differences in identities and backgrounds, but after exchanging souls, they each discover their own brilliance and re-understand their own value.

"The Nine Rivers into the Sea" tells the heavy history of Tianjin from 1901 to 1949. Through the ups and downs of the three generations of the protagonists of the story-Haijia, Liujia and Tangjia, it vividly expresses the rugged character of Tianjin's people outside, rich, inside and harmonious. And the beautiful process of Tianjin gradually becoming the political and financial center of northern China of that era.

The story focuses on the relationships of Kasumi Kishimoto, a high school student. When she enters Myōjō High School, she moves into her aunt's boarding house, where four boys attending the high school are tenants. Despite her steadfast determination to stay loyal to her boyfriend, who is studying abroad, Kasumi finds herself slowly falling in love with one of the boarders, Yūsaku

At the end of the Yuan Dynasty, when Mongolia ruled over all the Chinese Continent, the Mongols, the Hans, and Koryo (ancient Korea) migrants were engaged in racial conflict. The son of a Koryo migrant, Jinha, and the illegitimate daughter of a Mongol general, Sullie, become true friends and eventually fall in love. However, the love and loyalty between them cannot last. When Sullie􀁳s mother dies of a chronic disease, her merciless father Taruga takes her to Sohung with him. She promises to wait for Jinha at a pagoda in Sohung on the day of every full moon. But against their will, they become swept up in the current of these tragic times...

Rong Jinxiu (Chen Qiao’en) arrives in Shanghai in search of her half-sister, Yin Mingzhu (Lv Jiarong). Jinxiu’s family has fallen on hard times and is hoping for any sort of assistance from Mingzhu. However, Mingzhu, who is now the lover of a well-known businessman, still harbors hatred for the Rong family because they abandoned Mingzhu and her sickly mother many years before.

Mingzhu is willing to meet with Jinxiu once but does not offer any help. On her way out of Mingzhu’s luxurious house, Jinxiu literally bumps into Xiang Yingdong (Kimi Qiao), who has a crush on Mingzhu despite her being the woman of his older brother. With Yingdong is Zuo Zhen (Huang Xiaoming).

Unable to find food or lodging, Jinxiu wastes away on the streets of Shanghai and is discovered by Zuo Zhen and one of his followers, Shi Hao (Yang Le). They bring her to a high-end hotel owned by Yingdong. Thinking that she was rescued by Yingdong, Jinxiu develops a crush on him, which she confesses to Zuo Zhen.

Li En Zhen is a naive girl from a rich family. In order to help her family's business, she agrees to marry Wang Jun Jie. On the day of her wedding, she overhears something from He Li Fang that deeply affected her and she decides she wants to change her life. She does not want this marriage, she wants to be able to choose her own path. She runs away hoping for this second chance in life. Coincidentally, she meets He Li Fang again by chance and this begins the story of her second life...