Shin Ji Hyun prepares for her wedding to Kang Min Ho, but an unfortunate accident causes her to end up brain-dead in a coma.
Ji Hyun becomes Min Ho's housemaid using Yi Kyung's body, but her activities lead to negative consequences for the real Yi Kyung.
Ji Hyun goes on a search to thank the person who cried for her, while Kang searches for the truth about Ji Hyun/Yi Kyung.
Depressed about her reality, the Scheduler takes Ji Hyun shopping to cheer her up. Meanwhile, Min Ho can't shake off a growing attraction towards Yi Kyung.
Han Kang continually butts heads with Yi Kyung, who continually reminds him of Ji Hyun, in an attempt to cover his feelings.
Ji Hyun discovers Min Ho and In Jung's affair behind her back, and their schemes against her father's company.
Desperate to thwart Min Ho and In Jung, Ji Hyun races to find her seal. She learns of her best friend and fiance's long history together.
Ji Hyun starts to lose control of Yi Kyung during the day, which leaves Yi Kyung confused. Yi Kyung takes a stroll on memory lane.
Her 49 days almost halfway over, Ji Hyun faces the very possible reality that no one around her truly loves her.
Ji Hyun's father's brain tumor worsens, prompting him to write up a new will leaving the company to Min Ho.
Ji Hyun relishes her new body when she possesses Song Yi Kyung. She applies for a job at Han Kang's restaurant.
Yi Kyung's presence at Min Ho's home unsettles In Jung. Meanwhile, Han Kang can't forget Yi Kyung despite firing her.
Worried that Kang is onto her secret, Ji Hyun is more determined to take care of the Min Ho situation before her 49 days.
Yi Soo recounts his heartbreaking his past with Yi Kyung. Kang and Min Ho fight over Ji Hyun while Seo Woo confronts In Jung with the truth.
Ji Hyun learns about the Scheduler's past and confronts him about it, which causes him to put things in perspective.
Yi Kyung recounts her backstory for Dr. Noh, but they are not alone. Kang takes Ji Hyun to visit her father in the hospital.
