Vital Spark: No Witnesses to What?

Sailing, smuggling, murder, rough stuff, romance, international intrigue and the CIA - Vital Spark has it all and Mac is in the middle. In Cape Town, the smugglers customers want The Package, but what, and where, is it? Mac is in the middle and he hasn't got it. Trouble is, the smuggler's cutomers don't believe him. His friends are being murdered and Mac has to find out who is who before they are all dead but who can he trust?