redemption arc

Noun

 * 1)  A story arc wherein an immoral character redeems themselves and makes right for their wrongdoings (or wherein readers perceive them as having done so).
 * 2)  A series of actions or events by which a person makes right for their past failures, errors, or wrongdoings.
 * 1)  A series of actions or events by which a person makes right for their past failures, errors, or wrongdoings.