The Sethnas are a Parsi family that reside in the hills of Panchgani. When the bizarre Cyrus comes into their lives, it is soon revealed that things aren't quite right with the Sethna family.

The story of Sukhadi, a twelve-year-old Adivasi girl who makes a daily trip to a sleepy railway station to fetch water. This banal activity is transformed into an adventure by her chance meeting with Zainaab, a beautiful and mysterious, thirteen-year-old gypsy girl. Zainaab challenges Sukhadi to jump on to the old-fashioned narrow gauge train that takes holiday makers to Matheran on top of the mountain.