As a sequel to Ai Weiwei's film "Lao Ma Ti Hua", the film "So Sorry" (named after the artist's 2009 exhibition in Munich, Germany) shows the beginnings of the tension between Ai Weiwei and the Chinese Government. In "Lao Ma Ti Hua", Ai Weiwei travels to Chengdu, Sichuan to attend the trial of the civil rights advocate Tan Zuoren, as a witness. "So Sorry" shows the investigation led by Ai Weiwei studio to identify the students who died during the Sichuan earthquake as a result of corruption and poor building constructions leading to the confrontation between Ai Weiwei and the Chengdu police. After being beaten by the police, Ai Weiwei traveled to Munich, Germany to prepare his exhibition at the museum Haus der Kunst. The result of his beating led to intense headaches caused by a brain hemorrhage and was treated by emergency surgery. These events mark the beginning of Ai Weiwei's struggle and surveillance at the hands of the state police.