It is wrong to go behind a friend's back.
Mary is having lunch with John at a fancy restaurant.
Mary wants to talk with john about her friend Kate who works for John.
Mary tells John that Kate helps her family financially.
Mary tells John that Kate's parents were in jail for shoplifting.
John decides to give Kate a raise.
As Mary goes to the restroom, John calls Kate and inquires about her parents, which makes her cry.