Lee Jae In is the ruthless heir of a wealthy family who must marry to claim his grandfather’s inheritance. To meet this condition, he enters a six-month contract relationship with Kim Da Hyeon, a warm-hearted elementary school teacher handpicked by his grandfather.

Unbeknownst to both of them, Kim Da Hyeon had once saved the grandfather’s life after he collapsed near her school. Their relationship gets off to a rocky start—Jae In aggressively insists on dating, while Da Hyeon suspects he’s a scammer trying to trick her into marriage.

Despite their differences and the awkward beginnings, their fake relationship slowly turns into something real. One Percent of Anything is a heartwarming romance about how love can bloom in the most unexpected ways.