Synopsis：Park So-hee, a Doctors Without Borders volunteer, disguises herself as a soon-to-graduate college student to repay Shin Mi-sook, who once helped her, by becoming Han Do-won’s tutor. Do-won arrogantly claims he’ll get rid of her in just three days, but So-hee refuses to back down. When his friends push him to seduce her so his father will fire her, So-hee turns the tables and pulls Do-won into her own carefully planned scheme.