In the army office, Pei Yan perused the photo dossiers handed to him by Mei Simiao, who was sitting in a wheelchair, and fell into deep contemplation, recalling the contents on his sister's phone.
From the contents his sister left on her phone, she had explained to him the true situation of that year's incident clearly. Watching those videos taken at different times, he understood that some videos were pre-recorded and stored on the phone by his sister; she had long prepared for the possibility of being taken away. This realization filled Pei Yan with guilt and anger.
