'In this 6th book of the Neptune King Series we start the year of 1963 off with a bang when the two couples-Neptune, Rachel, Shark and Becky attend the Queen's New Year's day parade only to spot an Irish dissident bent on assassination. Naturally they can't let that happen and win the Queen's approbation for their bravery.
In The Sound of Death their detective skills are tested when they are called in to investigate the death of Dr. Lennon who was found in his laboratory with no sign of physical injury, but with his bowels melted to a jelly-like substance.
'In The Case of the Desperate Jeweller, their simple cheating husband case turns into murder when the 'other woman' in the case turns up dead and they suspect their client of being the culprit .
'In the final chapter ex Inspector Thiel escapes from prison with revenge on his mind, determined to destroy Neptune and ruin his wedding. Just as the happy couple are pledging their vows, Thiel bursts in and starts shooting turning the ceremony into chaos. Despite the violent interruption, Neptune eventually manages to get his ring on Rachel's finger on the most memorable day of their lives.' (Publication summary)