Secret War

After the Songhu Battle, Shanghai fell. Underground worker Lin Xiang (played by Aaron Kwok) was ordered to come to crisis-ridden Shanghai to rebuild the underground anti-Japanese front that had been destroyed by the enemy. Here he meets Lan Fang (played by Zhao Liying), who is simple but has a sense of justice. This temporarily formed "underground party couple" will join hands in a thrilling life-and-death contest with Japanese invaders and puppet government agents in the flames of war...