After a strange storm around the city happened, the police and media got more and more reports of people being capable of extraordinary things. Kang Seulgi, once the most normal college student is now capable of going back in time. With great powers, come great responsabilities as she realises she must use her ability to save a person who will become one of the world's greatest gift.

Bae Irene, she must go back and save the life of a woman named Bae Irene.