Husband from the Afterlife — Episode 10

For 5 years, Esther endured an abusive marriage. Carl cheated, assaulted her, and indirectly caused their daughter's death. On their 5th anniversary, during a violent confrontation, Carl died in an accident. Shocked, Esther buried his body in the backyard. Next morning, Carl reappeared, tender and caring like when they first met. His personality contradicts the abuser Esther buried. Esther questions: did Carl resurrect or did someone replace him?