In New Delhi, twelve-year-old Siddharth is sent by his father, Mahendra, to work in a nearby province to help support the family. When the boy is expected to come home to celebrate Diwali but instead fails to return or call, his father begins a desperate search to find him. At first the situation is dire enough, until it seems Mahendra may actually be the one responsible. In Siddharth, director Richie Mehta crafts a heart-wrenching tale of mystery and frustration.