曾是國家競速滑冰隊隊員的珠英，現在在高中冰壺隊擔任教練。一天她收到以前的隊友宥拉自殺身亡的消息，而導致她自殺的元兇仍在體育界服務，甚至將目標放到自己的學生身上。知道真相的珠英打算將一切公諸於世，就算她必需揭開自己黑暗痛苦的過往。不過事情不如所想的容易，她所要面對的，是整個體壇……。

To Joo-young, Korea’s first Olympic gold medalist in women’s curling and the skip (captain) of the team, the Olympic medal was everything. She quits curling with a sense of responsibility and guilt after her teammate’s suicide. Living as a high school curling teacher, she accidentally meets Hyuk-soo, the coach related to her teammate’s suicide. After the encounter, Joo-young can’t stand Hyuk-soo anymore as he even threatens her students. She decides to disclose who he really is and starts a new plan with a helper…

과거 잘 나가는 쇼트트랙 국가대표였던 ‘주영’. 지금은 고등학교 컬링팀 코치로 활동 중이다. 그 누구에게도 말할 수 없었던 과거를 꼭꼭 숨긴 채 살아가던 그녀에게 충격적인 소식이 전해진다. “유라가 죽었대…” 선수 시절을 함께 보낸 동료의 죽음에 장례식장을 찾아간 ‘주영’은 그곳에서 팀 코치였던 ‘혁수’와 마주치고 그토록 잊고 싶었던 그때의 기억들을 다시 떠올리게 되는데…