Detective superintendent reopens two unsolved murder cases from the 1980s. Forensic methods link the crimes to a string of burglaries. Steve’s team has to find more evidence before the perpetrator is released from prison.

When the trainee pilot and her mortally wounded gunner are shot down, they crash land on a nearby planet. An enemy craft offers the chance of spare parts to fix her ship, but then she spots another survivor – an enemy alien soldier with no intention of letting her escape.