Heartbroken Krissy and Kenny Gray, who have been trading at the tourist spot near Loch Awe for three seasons, said about £1,000 worth of handmade products all unique to them had been stolen.
The woman was persuaded to log on to her internet banking account and transfer almost £20,000 to another account
It will take place in Stornoway on Friday, August 30.
The road is currently blocked and officers are currently waiting for the vehicle to be uplifted
A police crackdown will see 19 drivers reported for drink or drug driving offences in the Highlands and Islands during a two-week national safety campaign.