Forty Carats is comedy that revolves around a 40-year-old American divorcee who is assisted by a 22-year-old when her car breaks down during a vacation in Greece. Their ensuing romantic interlude changes from a brief encounter to a potentially serious relationship when he turns up on her New York City doorstep to take her 17-year-old daughter on a date.   Admission at the door: $15   Seniors: $10.  Advance tickets may be purchased HERE.   A reception follows.