Restaurant owners call a company, called "mystery diners", when/if they are suspicious about their employees. Sometimes they steal or treat customers badly etc... The company will set up surveillance cameras and use actors to help find evidence that the employees are doing these things, sometimes leading to them getting suspended, fired or sued.
MYSTERY DINERS - SEASON 1 - EPISODE 7
RAIDING THE BAR
Summary
Raiding the Bar
A pub owner in Los Angeles suspects that one of her bartenders might be over-pouring for customers, giving away too many free drinks, and over-tipping himself. To find out, she calls in the Mystery Diners who outfit the bar with hidden cameras and go in undercover to see what is really happening when the boss is away.
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