Im Jinah was diagnosed with Leukemia at the age of 17. No one even imagined she’d reach the age of 21. Days before her birthday she decides to go on a trip alone, to celebrate another year that was given to her, or so that’s what her mother thinks.

Yoon Doojoon is your typical fresh university graduate, still unsure of what to do, still testing the waters. He decides to take a trip alone to take his mind off the pressure posed by his parents and the pressure from his friends who are all getting hired by companies.

Surely no one falls in love in just 72 hours, right?