The Fog Over the Songhua River

The Japanese Kwantung Army establishes a secret military base in an ice-bound city on the Songhua River. Agents organized by the CPC Manchuria Provincial Committee and the Soviet Far East Intelligence Bureau set out to uncover the truth. An agent named An Yaozong, posing as a fur trader, travels from Kwantung Province to the ice city. Faced with one trap after another, can he escape alive? What shocking secrets are hidden inside the Japanese Kwantung Army's secret base?