After her Nanu’s (‘grandfather’ in Hindi) ceremonial cremation brings her to the Holy Ganges River in India, nine year-old oddball Isha befriends the phantom of her Nanu’s own rambunctious nine year-old self. After being told those who die end up on the Moon by her father, a sentiment from a traditional Indian lullaby, Isha and her Nanu’s ghost go there themselves, fueled by curiosity and a yearning for the connection they could never form whilst Nanu was alive.