The Lost Lamb

On the last school day of the third week of the fall semester of 2012, Ma Yuefang, the head teacher of Class 3, Grade 5 of the Central Primary School, discovered that a female student named Gao Yang in her class had not come to school. After several calls, his father's cell phone was turned off and no one answered his mother's cell phone. Ma Yuefang couldn't help but think of the many strange phenomena that had appeared on girls before... What secrets were hidden behind these signs? Where did the lost lamb go?