Lalun, a beautiful and talented woman, lives and entertains along the city way of Lahore. Visited by many men, one named Wali Dad is especially friendly. Wali Dad has had an English education and feel uncomfortably places between the European and English worlds. As the story continues, the reader gets an introduction to a leader Khem Singh, someone who may disrupt British rule in India. Khem Singh has been imprisoned though, but escapes. A riot breaks out and Lalun helps an old man out of the riot through her window. She asks the narrator to assistance getting him through the city safely, and he agrees, only to later realize it is Khem Singh. He returns the man to captivity and the rebellion ceases.
Summary from Wikipedia.