The film begins with the arrival of a new guest, a young man named Chen Gang (Qi Yuwu). Chen Gang is a musician who has come to Beijing to pursue his dreams. He quickly befriends the hotel staff, including the beautiful waitress Xiaoya (Jiang Wenli) and the wise old doorman Mr. Zhang (Li Xuejian).
As Chen Gang settles into his new life in Beijing, he begins to learn more about the hotel and its staff. He learns that Xiaoya is a single mother who is struggling to raise her young daughter. Mr. Zhang is a retired professor who is now working as a doorman to make ends meet.
Chen Gang also learns that the hotel is facing some financial difficulties. The owner of the hotel, a wealthy businessman named Mr. Wang, is planning to sell the hotel to a foreign company. The staff of the hotel is worried about their jobs and their future.
Chen Gang decides to help the hotel staff. He uses his musical talents to raise money for the hotel. He also helps to organize a protest against the sale of the hotel.
In the end, Chen Gang's efforts are successful. The hotel is saved and the staff keep their jobs. Chen Gang also finds love with Xiaoya.
The Silent Lobby is a heartwarming story about friendship, love and the power of music. The film is also a timely reminder of the challenges facing the Chinese economy and the working class.