After We Divorced

Deep in debt, Indira is forced to agree to her biological father's offer to replace her half-sister by marrying a man she doesn't know at all.
Indira and Angka both come from completely different worlds, so they make a marriage contract. Unfortunately, fate says otherwise because big problems finally come when Indira has feelings for Angka who has no heart.
So, how will the story of the two continue? Can Indira's feelings be avenged or does Indira have to let go of the man who is not her reach?