One day, three siblings receive a postcard from their mother who left them a long time ago. But all it says is "I miss you." Three siblings are disconcerted by the sudden contact, but eventually, they go on a trip to meet their mother.CreditDirector所谓家人，就是会讨厌，会抱怨，会推开，但最后还是会互相理解，拍下全家照的存在吧。