For the premise a vaguely Hand that rocks the cradle scenario is in play. Differently the wacko isn't hiding her identity. The woman lost her baby and wants the other woman from the accident's baby. The actresses are quite good. The wacko looks wacko and the naive one is played by Cristina B Allen of Revenge. The victim is too naive but when she finally gets suspicious you get irritated with her. The wacko's scheme is far fetched.