A story of a stunningly beautiful woman; Ashraf aka Sapna, the loving wife of Zaheer - a once confidante of Maqsood, the underworld don, but now an arch rival. When the rift between the rivals reaches ugly culmination Zaheer gets killed. Ashraf vows to overturn and destroy Masood's illegal empire using her beauty, sensuality and acute intelligence. Ek Thi Begum is a story inspired by true events.