Returning somewhat tipsy from a friends wedding. Alice announces she has met Edward and Laura whom she has invited to dinner. Edward is Alice's old flame and Laura and Tom had a brief pre-marital affair - four ex-lovers meeting after twenty years, where's the harm? But they arrive with Mary with whom Tom had a passionate affair. Will Tom's and Alice's seemingly secure marriage survive the seductive onslaught of Mary who is determined to get Tom?-3 women, 2 men