This story is about the playfulness and dreams of two brothers and their sister, called Amin. Arezoo and Omid, facing with the world and people around them. In every episode, by encountering a new challenge, they look at it with their childish mind. They try to solve the problem and pass it. Eventually, it makes the development of positive sense, responsibility, knowing of chimerical terrors, feeling of affection and sympathy with the world around them and greater respect to the creatures and people