Kang Baek Ho realizes that he is in love with his best friend, Ham Yi Seul, on the day of her wedding to another man. He travels back in time to various events of their lives hoping to change the outcome of their relationship. Will Baek Ho be able to change the course of their future?

Shin Jung Hoo leads a new generation of criminal investigators that use forensic procedures and scientific methods to solve mysterious crimes, with a new focus on criminal psychology and profiling: Cha Gun Woo, a profiling expert who frequently uses his good looks and natural charm to appeal to females and elicit testimony, the rookie investigator Seo Yeon Doo, veteran Choi Do Gon, and coroner Park Choong Ok...

This drama is about an insurance investigation team who investigates foul play and insurance cheats. They are a group of normal employees who decide to take a stand, unearthing the truth hidden beneath the lies and discovering the dark secrets of those in power. Everyone has a secret they want to keep under covers forever, and insurance agents and policy holders are no different.

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?