Ibeon Saengeun Naega Juinimnida

A young woman from a noble family, Helena, believed she would gain recognition when she displayed the power of the guardian stone. However, she becomes entangled in a hidden plot that culminates in her betrothed killing her. As she nears death, she hears a voice asking if she wants revenge. Suddenly, she is transported back in time by two years. Now given a second chance, Helena seeks to prevent the events that led to her demise.