A widow named Mao, who has just lost her beloved husband, is still grieving emotionally, yet her body can no longer suppress its pent-up desires and spirals out of control. Overcome by intense physical urges, she finds herself helpless against the aggressive advances of her brothers-in-law, succumbing to them with a burning body. Even as she remains unable to forget her late husband, she gradually falls under the domination of other men. Trembling, she whispers, "You... I'm sorry..."