Plot

A young mother leaves her four year son, Amir Mohammad, home alone with his baby brother while his she does some shopping. While she is away, the boy must deal with some little home made crises - the baby needs changing and his hungry for his bottle and the dinner left on the kitchen stove starts to burn. Amir's mother has locked the children inside for their safety which alarms neighbors and the childrens' visiting grandmother especially when they discover that Amir must handle everything based on their screaming through doors. The Key is a lovely, funny, charming film about the adventures of a child trying to do the adult things when left to care for himself and baby brother.

or:

Calamity by four-year old might be another title for this tense, humorous drama. In the story, a four year old boy (Mohammed Aladpoush) is left at home with his baby brother while his mother goes out shopping. She has told him to give the baby his bottle while she is away. However, the boy has a different idea about what he should do, and consumes most of the bottle himself. The hungry baby's cries arouse the neighbors to try and get into the apartment, but it is locked, and the four-year old can't (or, more likely, won't) let them in. Despite a number of near-disasters, the enterprising young boy manages things just well enough (with the occasional help of shouted advice from frantic neighbors) so that serious calamities are avoided.

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