The stacks are attacked by Noisy Boys and an unnamed half-life, when Galvin forces the unnamed half-life into revealing his boss's name, Mr Tibbs, Galvin becomes visably upset. Luke arrives late for Mina's concert, only to meet his mother, Ruby, and Mina leaving the hall. Walking her to her car, Luke reveals the unsuccessful attack to break into the stacks. Once in the car with Ruby, Mina reveals that it was Mr Tibbs who had killed Galvin's wife, Maggy. Mina, Ruby, and Luke arrive at the stacks to find that Galvin is no longer there, instead he has arrived at Liberty Hall, the location he was given by the now deceased half-life, of Mr Tibbs. Back in Mina's car travelling to Liberty Hall, Ruby voices her opinion on being allowed a gun. When refused numerously by Luke, he reveals that Galvin