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 person called The Scheduler, 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.
Tsubokura Ayumi is a former actress, but she now lives with her husband Wataru, who is a businessman and runs popular restaurants, and a daughter from Wataru's previous marriage. Ayumi is viewed by others as a housewife with a wealthy and happy family, but she suffers from emotional abuse from her husband. The only place where she feels comfortable is in her kitchen, where she enjoys cooking food and can be left alone. One day, Italian chef Kei appears in front of Ayumi.
On the eve of her 19th birthday, Mizuki is grappling with a recent family tragedy, a cheating boyfriend, and a betrayal by her best friend. In despair, she flees to a dilapidated estate where she encounters Adam, a mysterious figure playing a familiar melody. Drawn to him and the house, Mizuki uncovers a haunting connection. As the full moon approaches, her boyfriend and a few schoolchildren work to unravel the dark secret from 19 years ago and save Mizuki.
