Desc: Liang ge xun luo bing: Directed by Huang Fang. With Mu Bai, Xiao Feng, Lin Er, Fei Liu. Set in 1950s, the southwest border of China. Veteran Ma and Recruit Yan are friends, they are partnered as a patrol group. Ma misses enemy spy because of his carelessness and breach of principle. Yan criticizes Ma and they have a falling-out. After the help from partners, they become reconciled and work together to catch the spies and protect a bridge from being destroyed.