Grace Bennett takes pity on her breastfeeding best‑friend fleeing domestic violence and offers her shelter. Yet under the guise of lactation care, the friend carries on a secret affair with Grace’s husband. She even paints Grace as a paranoid, bitter shrew. After snapping out of her delusion, Grace plots her revenge with composure. She defeats her rival at the board meeting and teams up with wealthy old acquaintance Ethan to corner the cheating pair. In the end, the treacherous friend is abandoned by everyone. Her ex‑husband is reduced to delivering food on the streets. Grace finds true love at last.
