Gerry meets his heroes, the 70s rock band Bad Faith, when the team investigate the death of its lead guitarist. It is over 30 years since the group split up, however, and the ageing rockers do not quite live up to the legends Gerry remembers. Meanwhile, determined to prevent UCOS from disbanding, Brian finally tracks down Jack and tries to persuade him to return.

• Nigel McCrery

• Gerard Horan
• Vincent Regan
• Michael Feast