Tou Dil Ka Kia Hua is a story of affection and regret. The story highlights how blind trust and the choice taken in a split second can destroy one's life, family and happiness. The drama serial revolves around Maya, Faras, Saif, Tipu and Muzna. Maya weds Faras and both are living a happy married life until the point that Maya demanded Faras for separation. As the story of this drama serial unfurls, the truth comes out, how Saif who is Maya's ex and Muzna have tricked her into trusting their lies.