Growing up in Benaras, Sia struggles for an identity under the shadow of her vivacious and beautiful sister, Munni'. When Munni falls in love with flamboyant Abir, Sia's loneliness and misery increases even more. Tragedy strikes in the form of a scandal and Abir is accused of the misdeed. This event changes something in their lives forever and affects all their future relationships as well. Years later, Sia, now a resident of Mumbai and mother to a sixteen year old embarks on a journey back to Benaras to find out more about her sister's death. The journey, which brings revelation and insights, adds a new perspective to Sia's life. Will Sia find out the truth? Will she be freed of the past? Will Abir ever be able to give up a nomadic life in New York and settle down as a family man? Read iSia' to find out."