Deaf Xiao Ma and his daughter Mumu rely on each other for companionship. The little “big sister” Mumu serves as the family’s pillar—bridging communication between her father and the outside…

Lei Ming, a former lecturer, and Sang Xia, a psychology teacher, runs a special class to help under-performing students. They guide students like Li Ran, who plans to drop out…

In the 1990s, an armed police team in the south-western border of China encounter floods and drug traffickers while on a mission, resulting in heavy casualties. In order to avenge…