Pfeiffer plays a mother who is devastated when her son goes AWOL in a crowd. Nine years later he returns - but is he her real son? Unbelievable coincidences apart, Deep End of the Ocean tries too hard to be faithful to Jacquelyn Mitchard's best-selling source material and winds up falling between more stools than a wino at a Scatologists convention. Pfeiffer, as always, glows.