Shanti is born into the life of a maid for a lonely grandmother, Nai Nai, who runs a tiffin food delivery business. Over the years, Shanti grows up with Nai Nai's love and affection despite their social and class differences. Tiffin is a bittersweet story that reminisces about the way things were, examines the way things have become and ponders about the future that lies ahead.