In the early years of the reign of Hassan II, Houcine fan of his new king, leader of a popular band. Houcine wants the best for his son Mimou. It imposes to be the first in his class. Houcine and his family live in the family home of his wife. This home is a place of lively cohabitation : a gallery of colorful characters there crosses the rhythm of life of the orchestra and its traditional dancers. This band is special, men are forced to be blind in order to play at parties reserved for women in conservative families. But Mimou will cross Cham, the new servant of neighbor ... He immediately falls in love. He can not concentrate at school. Not to disappoint his father, he will cheat by falsifying his report cards.