This is a story about children living alongside the railway track of Phnom Penh, Cambodia. The poor families form a little community right in the heart of the city, adults are forced to work long hours to earn hard living that they have less time to take care of their children, leaving them at home, which is consider unsafe that commercial train passes by right in front of their doorstep few times a day. The children need to take care of themselves, elder one take over the responsibility of their parents to watch out the young.