The story deals with one noble family who believes in its obligation and social responsibility towards the poor.

Jung Yoo Hee married the love of her life, Yoon Sang Woo. However, his mother despised Yoo Hee and forced Yoo Hee to leave her husband and young daughter. Years later, Yoo Hee returns with the intentions of getting her family back. Will Sang Woo be willing to let her back into his life and what about his new wife, Seo Hyun?

This drama tells the story of a woman who devoted her life to love and a man who had never known nor believed in love. Jang Soo Hyun was a woman who previously believed in sacrificing herself for love, even donating her liver to save her first love, Choi Min Young, but was rewarded by betrayal when her best friend, Oh Sun Ah, seduced Min Young. Since then, she had become jaded and resolved to distance herself from relationships, until she met Han Tae Woo, a man who had built a wall around his heart in fear of being hurt again. She becomes someone whom he learns to sacrifice everything for.

Revolves around penniless Ha-ryu who is driven by upward mobility and a thirst for personal success. Here is a man who can do whatever it takes to make money. He dreams of raking in 10 billion won by selling cars. Due to this wild idea, he is deemed crazy by everyone, but is ready to sell even his soul to become a billionaire. “I will make myself fully prepared to take every chance that lies ahead of me!!!”

A story about the love and married life of six married couples who are pigeonholed into six types of marital relationships!

Bo Young began her career as a teacher in a small village. Alone in a remote place, Bo Young was approached by Jung Gil who introduced himself as a single bachelor. Their relationship became serious over time to the point where they promised to marry each other. However, Jung Gil turned out to be a married man and his wife, Yong Shim, and mother-in-law, who learned about his affair, assaulted Bo Young in front of him. Betrayed by Jung Gil who helplessly let Yong Shim and his mother-in-law humiliate her, Bo Young decided to get back at them. When Bo Young and Yong Shim happened to give birth to their daughters at the same hospital, Bo Young deliberately switched the newborn babies in an act of revenge and in the hope of her own daughter being raised in an affluent environment. While raising Yong Shim's daughter, Bo Young did not care about her at all, and as a result Yong Shim's daughter felt deprived of love. Bo Young only wished for her real daughter's happiness. Yet, contrary to Bo Young's expectations, things were going the other way around.....

Kim Sun Kyung is a retired police officer and father of three sons, Gun Kang, Hyun Chal and Yi Sang.

His eldest son Gun Kang made many wrong decisions in life, ending up being divorced and going bankrupt. Gun Kang gets remarried to Chung Nan. His second son Hyun Chal is the envy of the town and pride of his father. He runs a number of businesses which are quite successful. His wife Woo Mi often sacrificed her happiness for the benefit of the Kim family. As for the last son Yi Sang, he follows in his father's footsteps by becoming a police officer. Oftentimes the father and the son clash each other. As Yi Sang married Eo Young, the daughter of his father's deadly foe, an ex-convict Sun Kyung traced and eventually arrested a long time ago.

"Three brothers" revolves around their relations full of conflicts and love.