After watching you in tears, "Chen Nian" and "Xiao Bei", two lonely and helpless people, hugged each other tightly to survive. Depending on how the police interrogated each other, they never gave up each other. In the classic lens, two people in the police station were separated by glass, their images overlapped, they said nothing, only looked at each other and smiled. They knew each other for a long time, and sincerely admired the acting skills of the two actors, but not every one Behind each "Chen Nian", there is a "little north" guard. Thanks to the director for a happy ending - "Chen Nian" escorts the students, "little north" protects "Chen Nian" to fulfill his promise - "say, you protect the world, I protect you". However, at this time, "Xiaobei" is open and upright. It doesn't need to be disguised. It walks behind "chennian".