The story takes place inside the work building of the TV station. Intern Yuan Xiaoliu received a text message signed by Tao Jiang after get off work one night, asking her to return to the unit for a temporary meeting. Tao Jiang, who returned to the unit, chose to call the police after experiencing a series of things. Next, different colleagues received text messages from Tao Jiang every day, which caused great trouble to Tao Jiang's life and work at the TV station. After Chen Cheng's criminal police team intervened in the investigation, Tao Jiang himself received a text message from himself one day. Tao Jiang, who fell into panic, called the police again.
Concept: A suspenseful incident that happened on a TV station