A woman was born in a strict family and always follows the rules. However, she broke them by not marrying the man her parents chose and went to marry a bad man instead. One day she meets the perfect man, but he's married.

Min Su saved Gi Tae's life 13 years ago. In return, Gi Tae's wealthy father hired Min Su to keep Gi Tae out of trouble. Min Su is extremely loyal to Gi Tae, but Gi Tae is a spoiled playboy. Yeon Ju works in a cosmetic factory with Jung Ae. One night, Min Su and Gi Tae meet Yeon Ju and Jung Ae at a nightclub and they try to impress each other by telling lies, which they later regret.

Despite being a respected anesthesiologist at a famed Tokyo hospital, Shiratori Sadami has a disastrous family life. Before his life in Tokyo, his infidelity prompted his wife's suicide and the incident separated him from his two children ever since. Seven years later, as he is being diagnosed with late-stage cancer and inevitably on the brink of death, he finds himself making way towards his hometown Hokkaido, his estranged children and his final moments in life.

A cowardly man unwittingly unleashes three spirits seeking revenge against the family he works for. The spirits take turns taking over his body, causing all sorts of mischief along the way.

Romania, 2005. One of the last vampire families on earth decides to disguise themselves and live among humans until "the glory of their empire" revives. They are sent to different places all over the world that are considered safe by their leader.

However, a group of vampires takes the wrong ship and happens to come to Korea. On board, they run into a timid and unlucky man Doo-il. One of the vampires bites him by mistake and he becomes one of them. They promise Doo-il that they will return him into a human on the day when their leader comes to find them. He doesn't have any other choice but to live with them. They are disguised as a family of five and start new lives in Seoul. Can they really go back to their country safely when their leader comes to find them?

While watching the vampires who disguise themselves as a human family, the viewers will witness both their human sides and the humans' inhuman sides. Can Seoul be a safe place for them?

Zhang Ying Xue is a single mother with custody of her child and is working as a nurse in a hospital. She meets Liu Jia Cheng, the Dean at the wedding of her sister, Xiao Jun, and Jia Cheng’s younger brother, Jia You. Ying Xue’s former mother-in-law had to return to her grandson and make a big wedding. As a result, Jia Cheng’s mother, Zhu Zhu, was dissatisfied with Ying Xue’s family. How the lives of these four people are affected by their family opposition, financial difficulties and re-appearance of Ying Xue's ex-husband form the crux of the story.

Three brothers Bin, Hyun and Joon become drawn to the very pretty and sweet Yuri, a family friend. Yuri arrives from France to live with them for the summer while attending classes at their university, causing each brother to be attracted to her in a different way.