Tamen de Huanying

The happy and peaceful life of the innocent college girl Song Xiaoan is shattered when she is accidentally kidnapped and taken deep in the mountains. Thankfully there was the undercover agent Zhou Sihan there to help. Xiaoan thought that the policewoman would help her escape to safety. But she discovers that Sihan might be hiding something even more sinister…

(Source: Kuaikan, translated)