Set in the fictional land of Aseudal during ancient times.

Eun Sum (Song Joong Ki) was born with a fate to bring disaster to Aseudal. Because of that, he goes through hardships and after grows up, he appears again in Aseudal.

Ta-Gon (Jang Dong Gun) is a war hero of Aseudal. He has paved the way for Aseudal to become a prosperous city nation and now he is the most powerful person in Aseudal. His dream is to become the first king of Aseudal.

Tan Ya (Kim Ji Won) was born with the same fate as Eun Sum. She is the successor of the Wahan Tribe. Going through hardships, she realized her mission. She lives under the highest honor and her ambition is to become a politician.

Despite being famous on social media as the “Angel of HR,” Hitomi Mamoru is unhappy with her job. Upset one evening, she goes out drinking, spending the night with a devilish stranger who changes her life!

Adapted from the manga series "Hitomonchaku nara Yorokonde!" (ひともんちゃくなら喜んで！) by Yatsumi Tsumu (八海つむ).

Hong Kong traffic E&C inspector To Cheuk-fung (Kenny Wong) is dedicated to his mission. He and his subordinates often go undercover so they can easily prosecute those who speed, drunk drive, and hold illegal licenses. Cheuk-fung is an extremely cold person, serious in speech and manner, but he is strangely close friends with the boisterous Sze Ma (Benjamin Yuen) of the investigation team. The duo are left speechless when they meet the rookie cop Bui Sam-yau (Sisley Choi), who they assumed would not be able to withstand Cheuk-fung’s strict demands. But after Sam-yau helps Cheuk-fung dispel a worry that he has kept locked in his heart for many years, the two grow extremely close, forming a pseudo father-daughter relationship. Sam-yau’s satisfactory performance catches the attention of Sze Ma, who convinces her to join his team. Sze Ma has been less than pleased with his subordinate Yiu Yiu (Natalie Tong), who prefers to do everything by the book and fails to catch up to Sze Ma’s painstaking style of investigating. Meanwhile, a racing gang has been wrecking havoc in the streets, sending out provoking messages to the police. Cheuk-fung and his team are given the light to track them down, but he ends up stepping into a dangerous boundary. A dark haze he has been avoiding once again appears before his eyes.

Go Ae Rin is a single mother who, after unexpectedly losing her husband, gets involved in a spy war. She lives in the apartment in front of Kim Bon. Kim Bon, who's code name is Terius, is a legendary black ops agent for the National Intelligence Service (NIS) who has gone into hiding after disappearing without a trace. 3 years ago, in a failed secret operation, he lost the woman he loved. Since then, Kim Bon has hid away in his apartment, next to Go Ae Rin, isolated from the world around him and living in secrecy trying to uncover the mystery behind what happened back then. When a mysterious incident arises, in which Go Ae Rin's husband dies, they both team up to uncover a huge conspiracy which Go Ae Rin's husband had become involved in. Joining them is Jin Young Tae, a former con man, who may hold the key to what Go Ae Rin and Kim Bon are searching for, and Yoo Ji Yeon, a fellow NIS agent, who appears cold and unfeeling on the outside but harbours feelings towards Kim Bon, who she is kind towards.

A story about three young boys that gifted with three different super powers after an accident happened on a yacht that changed their life. They are Gao Yuan Shu (Zhang Han) who control electromagnetic, An Yi Fei (Zhang Yun Long) who predict the futures, and He Xiao Qian (Fan Shi Qi) who reads other people’s thoughts.

Xiao Yan, an independent woman who is most powerful in the workplace, is determined to enter the senior level of Thea Group and create a domestic original makeup brand. Because of Xiao Yan's outstanding performance, the company appointed her to be responsible for the better prospects for the maternal and child sector. This is a great challenge for Xiao Yan who advocates that true love is only oneself and insists on DINK. With the help of your girlfriend's full-time mother You Ya, Xiao Yan gradually understood the difficulty and hardships of maternal love, and her strong and independent values ​​gradually changed You Ya's personality of being clingy. When Xiao Yan was fully preparing for the maternal and infant project, Chen Jiao Rui, also a competitor, had to quit because of pregnancy. When Chen Jiao Rui returned to the workplace after giving birth, she couldn't balance family and work and was anxious. It was Xiao Yan who helped Chen Jiao Rui regain her confidence and at the same time helped Chen Jiao Rui confirm that her love for her children is selfless and sincere. At the same time, Xiao Yan was also moved by the love of the two mothers. From a person who only loves herself, learns to love relatives and friends, respects mothers, and loves children, learns to "emphasize" and understand the meaning of "true love". In the end, three women with different positions, with their own love and perseverance, joined hands to start a business, support each other, explore together, and create an inspirational life.

When a cop expresses his grievance and anger onto the world, he becomes the most dangerous man on the force. Taken from the top ten famous unsolved cases in Hong Kong, Gun Metal Grey depicts a cop's road to destruction as well as the very truth of human nature. Fifteen years ago, upright police officer Shek Tung-sing was falsely accused of murder and sentenced to prison. Now that he has been discharged, he decides to get to the bottom of the case. Unfortunately, he is unable to bring the culprit to justice because of lack of evidence.As a result, his suppressed anger continues to churn within him and whenever the law fails to carry out justice, he takes matters into his own hand.The sudden change in his character and behavior places his friendship with his teammate Mai On-ting to the test. Later, when he is trying to prevent Ting from looking further into the case, he even hurts Ting's girlfriend, Hui Man-him. The competition begins to intensify between the two good friends when Ting is determined to deal with Sing according to the law.

The series talk about four different couples living together in one apartment complex.

Both in their thirties, Oh Do Shi is a voice actor and Ryu Du Ri is a blogger. They simply chose to live together instead of getting married, and have been sharing an apartment for two years.

Jeong Yeong Jun and Choi Ji Nyeo are a couple that's twelve years apart in age. Ji Nyeo has the personality of a penny-pinching ajumma and basically supports her younger boyfriend in the hope that he will someday realize his dream, while Yeong Jun is an unemployed musician who carries around a guitar he doesn't know how to play. They've been living together for a year, and are quick to fight and make up.

Park Hwan Jong and Ha Seol Eun are in their twenties and have just moved in together. Seol Eun wants her boyfriend to believe that she's the perfect embodiment of femininity, and works tirelessly to keep up the illusion.

Lee Jun Jae is a loner who prefers to stay at home, but is forced to find a roommate for financial reasons. He doesn't even want to exchange unnecessary small talk so he advertises for a foreigner who can't speak Korean very well. Enter Takuya, a Japanese guy on his travels. Takuya thinks Jun Jae is wasting his youth, and begins to draw him out into the world.