The heroine's infidelity finds no mention in this biography.

Answer: Option A

Infidelity : the action or state of being unfaithful to a spouse or other sexual partner.
Loyalty : the quality of being loyal.
Innocence : the state, quality, or fact of being innocent of a crime or offence.
Intelligence : the ability to acquire and apply knowledge and skills.
Charity : an organization set up to provide help and raise money for those in need.

Antonym of Infidelity is Loyalty