After the Library planet, River Song begins to feel deep anger towards the Doctor. She feels betrayed and abandoned, having discovered disturbing truths about her past and their relationship. In her quest for revenge, she is approached by members of the Silence, who exploit her resentment towards the Doctor to recruit her to their cause. River, feeling misunderstood and manipulated, decides to join the ranks of Silence, thus becoming a formidable enemy for the Doctor and his companions. River is at the Church of Silence in London where she is in a room because you were brought to her because you are related to the Doctor.