Concerto mortale

The death of Sean Rollins, a mutated singer, brings to Nathan's mind the events of two months earlier: the agent, together with Al Goodman, had been assigned to act as bodyguard to Rusty Wardle, heroin addict leader of the System No System group, during the Seventh Level music festival, in which Rollins had also performed. During Sean's piece, Rusty had tried to shoot him and was jailed. But Nathan now suspects Billy Green, System's manager...