The story of 12-year-old Ali and his three friends. Together they work hard to survive and support their families, doing small jobs in a garage and committing petty crimes to make fast money. In a turn of events that seems miraculous, Ali is entrusted to find hidden treasure underground. He recruits his gang, but first, to gain access to the tunnel, the children must enroll at the Sun School, a charitable institution that tries to educate street kids and child laborers, close to where the treasure is located.

When mom is terminally ill at the hospital, dad comes along after the long years of absence. Anxious and hesitant, he has got no way but taking his son and his daughter away. But to which destination when he has not managed to build the castle of dreams drawn by mom for the children?