
The son heroine raised for 18 years reveals he's the villains' son, orders her thrown from building. Reborn, heroine protects her biological son. Unaware, female villain abuses her son, feeding him allergenic food, causing sepsis. During rescue, heroine lies about blood types, misleading female villain, causing missed treatment, lifelong dialysis. Paternity test exposes truth. Male villain arrested. Heroine's son inherits business; mother and son find happiness.