Eunhye Ju has the picture-perfect marriage with her husband, Dojin Nam. However, when she finds a hidden basement in his villa, she uncovers a dark secret that puts her marriage, and life, at risk. That night, the house goes up in flames and Eunhye is killed by a mysterious masked man – only to awaken nine years in the past, on the day that she meets her would-be husband! Tracing her steps through time, Eunhye must uncover Dojin’s secret – for better or worse this time.