7pm on the 28^th November, 2004 – father of two Alistair Wilson is reading his sons a bedtime story at their home in the Scottish seaside town of Nairn. But a ring of the doorbell followed by three fatal gun shots would shatter that tranquillity forever…

For almost two decades, who shot Alistair Wilson has remained a mystery. But could police now have the answer to why he was killed, and could this reason finally lead them to his murderer?