With the Shaolin and the Beggars' Sect being the two biggest sects, Mo Yung Fuk and his father Mo Yung Bok schemes to take control of the two sects in order to restore their Kingdom of Yan. The second season introduces Hui Juk, a Shaolin monk, as the third and last protagonist as the three male protagonists' lives interconnect with one other, with a satisfying yet tragic ending to the series.

Ok Chan Mi is a 19-year-old high school student. She used to be a shooter for a high school team. One day, Ok Chan Mi's twin brother dies. She chases after the truth related to his death. She gets involved with Ji Soo Heon. On behalf of bullied students, Ji Soo Heon takes revenge on their tormentors.

This is a story of 6 people living under the same roof. It involves friendship, love and kinship. It also brings the wonderful and crazy moments of their daily lives.

A nobleman who cheats on his wife, with her sister because he thought that his wife cheated on him too. Saiparn, the daughter of the first wife. After her mother's death, Saiparn changed into a totally different person. She is clearly unhappy with her mother's death and blames it on her auntie. As she grew up, she became more mean toward everyone, except the maid who took care of her mother back then.Throughout the lakorn, the father dotes on Needa/Nida, the second wife's daughter more than he does with Saiparn. Seeing this, Saiparn plans her revenge by making them unhappy because every time she sees her father, stepsister, and auntie live with laughter and happiness, it makes her think of her mother's sadness and death. Really all she wants is her father to love her the same too.

Baek Hee Sung seems like the ideal husband. Working as a craftsman, his hard work allowed his metal-working studio to meet with its fair share of success. Able to provide a good life for his wife and daughter, he’s a good example of what a husband should be. But this perfect façade hides some very dark secrets that even his wife, Cha Ji Won remains unaware of.

Unfortunately, secrets have a way of coming out and as a hard-hitting homicide detective, it’s Cha Ji Won’s job to uncover as many of them as she can, in her never-ending quest for the truth. While investigating a particularly cruel case, she finds herself on a dark path that could crumble the very foundations of her happy life. But she is determined to bring this psychopath to justice. Delving deeper into the case, she realizes that he may have been close by all along.

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Even though Oh Bom (Song Ji-Eun) is in a difficult financial situation, she is still bright and positive. She works part-time work at a factory. Kang Ma-Roo (Lee Jae-Joon) is a kind and simple young man. He is naive about the world. An Tae-Ho (Kim Min-Soo) is the section chief of a company. He is an ambitious man. He approaches Choi A-Ran (Seo Yi-An) for his own gain and marries her. Choi A-Ran is the heiress of a large company. She is smart, but has a painful past. Her younger sister went missing and her parents abandoned her.

After a series of unlucky, interconnected events, a woman loses everything, but soon begins to find love and redemption against all odds.