After falling for Hangyeol while watching his short track race during her school days, Heeseong decides to study abroad in an attempt to end her one-sided crush. However, upon returning home, she finds Hangyeol has become a national short track speed skater. One drunken night, the two become sex partners—and awkwardly begin to realize their true feelings for each other. With both standing at crucial turning points in their lives, can they find synergy through one another?