Amelie Bourbon, a witch doomed to perish by the hands of her lover, the cruel tyrant Serwin Hennessia, finds herself reincarnated as Lee Suyeon, an ordinary office worker. Determined to alter her tragic fate, Amelie faces a daunting challenge - Serwin harbors a destructive force within him, known as the 'calamity,' which can only be quelled in Amelie's presence. As their bond deepens, Amelie must master her magical abilities to pacify Serwin's violent nature and confront the looming threat of calamity that endangers both him and the world. Will Amelie succeed in vanquishing this impending disaster once and for all?