Her husband suddenly left home under the pretense of a business trip, leaving Father-in-law Grant, who is in the late stage of lung cancer, in his wife's care. He left with only a casual instruction and no hesitation. Faced with Father-in-law Grant's terminal illness and her husband's unapologetic attitude, the wife is forced to take care of her seriously ill father-in-law alone. The coincidence of her husband's supposed half-year business trip also plants seeds of doubt in her mind.
