Kim Seo-Jin (Shin Sung-Rok) is a man who is driven only to achieve success in his life. Thanks to his efforts, he is the youngest executive at his company. His life is perfect, with his beautiful violinist wife Kang Hyun-Chae (Nam Gyu-Ri) and a daughter. His wonderful life comes to a halt when his young daughter is kidnapped. He falls deep into despair. To change the past, when his daughter was kidnapped, he contacts Han Ae-Ri (Lee Se-Young) approximately one month in the past. Han Ae-Ri has busy days with her studies and working a part-time job to make enough money to pay for her sick mother's operation. One day, her mother suddenly goes missing. Han Ae-Ri falls into despair, when Kim Seo-Jin from the future contacts her.

A woman named Go Ae-Rin loses her husband. Along with her neighbour Kim Bon, who is a NIS agent, they discover the truth behind her husband's involvement in a huge conspiracy.

Shin Ji Hyun was enjoying absolute bliss as she was about to marry her fiancé, Kang Min Ho, but her perfect life is shattered when she gets into a car accident that leaves her in a coma. She is given a second chance at life by a reaper, but it comes with a condition: she has to find three people outside of her family who would cry genuine tears for her. In order to do this, she borrows the body of Yi Kyung, a part-time employee at a convenience store for 49 days. 49 Days is a 2011 South Korean television drama series, starring Lee Yo-won, Jo Hyun-jae, Jung Il-woo, Bae Soo-bin, Nam Gyu-ri and Seo Ji-hye. It aired on SBS from March 16 to May 19, 2011 on Wednesdays and Thursdays at 21:55 for 20 episodes.