Well-known Broadway playwright and TV producer Lyle Zacharias is throwing himself a lavish birthday party in his hometown of Philadelphia. Guests include his current wife, ex-wives, friends, former partners—not to mention Amanda Pepper and her own irrepressible mother, Bea. Yet when Lyle drops dead in the middle of a speech, it appears the likely perpetrator is none other than Bea, whose gift was fifty delicious, but apparently poisoned, tarts!