In the course of a dalliance with a deaf teenager after a dance at which he had been playing, he witnesses the bombing of the dance hall and the killing of both his band's manager and the deaf girl by three masked terrorists. Using only his wits and the information he has observed during this traumatic event, Danny embarks on a nightmare journey of vengeance that comes slowly to dominate him - his music, his friendships and his love for Deirdre, the dance band's glamorous singer. He becomes both private eye and angel of death and pursues the perpetrators of this outrage to a shattering climax.