After losing everything to her brother’s best friend and lover, Cassia decides to turn back time to alter her tragic fate. Her main objective is to prevent her brother from falling for the villain. However, she quickly learns that even with the ability to manipulate time, changing human emotions is no simple task. In a moment of hopelessness, Cain, a hero from the North and a grand duke accused of treason, appears. He is also the emperor’s half-brother. From their first encounter, Cassia realizes that Cain has the power to transform her destiny and help her navigate her own past struggles. With Cain by her side, Cassia must now weave through the intricate threads of fate.