Mo Mi pays a surprise visit to an estranged family member. Some years later, an innocent child suffers the repercussions of Mo Mi's crimes.

Life behind bars is no picnic, but Mo Mi slowly finds her feet. When a suspicious letter —and visitor — arrive, she confronts a shocking truth.

Mo Mi puts her plan in motion. Kyung Ja sets out to settle the score. Will the two foes find justice, once and for all?