The forty-five year old Zhang Yuying was diverted to the three factory, so she decided to take a few sisters to do a "for the group of snack shop". At this time, a group of boys and girls who fall into a wrong path, accidentally into her snack bar, also broke into her peaceful life. From then on, one trouble after another follow close on succession. This is a group full of all kinds of problem children, they have no parents, helpless, the lack of care. For them, fight thieves like homely food fight. In the face of this group of helpless teenager, Zhang Yuying braved all kinds of pressure, took them. In the contact, Zhang Yuying plays various roles: mother, teacher, boss. Zhang Yuying teach untiringly, using their real and sincere and personality charm, the latent influence character by environment influence on every one of the children, let the children set up on life, social confidence to know the world better. Zhang Yuying's "the snack bar" give children a sense of belonging, and children Zhang Yuying found in the long lost love and spiritual home.