With the advent of a heavy rain, City C ushered in an unprecedented calm. At night, a bolt of lightning pierced the sky, and the city lost power. When the call came, all the students in the second and third classes of Legend Middle School fell into a coma. After receiving the report, police officer Chen Xiaotian came to the scene, and a photo "x" appeared on the projection screen that had not been turned on. The truth of the secret case twelve years ago slowly emerged. What kind of sparks would Chen Xiaotian have with his classmates? ? ?
Purpose: looking for the truth