Jenny (Marlo Thomas) is a single expectant mother who receives an offer of marriage from Delano (Alan Alda). He wants to avoid the military draft and agrees to marry Jenny despite the fact he is not the child's father, proposing for strictly practical reasons: the baby will have a name and he will escape the draft. Their scheme does not work out quite the way they had hoped, however. Problems arise when Jenny adds romance and love as an afterthought to the arrangement, and while she goes ahead and has the baby, Delano is not spared from his military obligations. As she cares for her newborn in the maternity ward, Delano sits silently and ponders his uncertain future in this routine melodrama. Vincent Gardenia plays Jenny's father, an eccentric collector of antique dentures.