Wait! She's Not the Mistress, She's My Fiancé's Mother

Archaeologist Eleanor, fetching her son Ethan's engagement ring in plain clothes, is mistaken for a mistress by his fiancée Sera—who assaults her live on air. Ethan doubts Eleanor. She plays along until the engagement banquet, then reveals her true identity and the assault footage. Sera is sentenced to prison; mother and son reconcile and start anew.