Watching this movie on Lifetime Movie Network, I finally realized why these LMN movies are mediocre at best: there are so many commercials that the effective running time of the movie is maybe an hour to an hour and ten minutes, so there's no time to develop a plot. Thus, things happen so quickly that it's hard to see how parts of the plot work together.
Early in the movie, Chelsea, the oldest daughter, laments to both Alice (the dad's new love interest) and Jillian (her late mom's best friend) that her boyfriend Derrick has been cheating on her with her best friend, Rose. Both Alice and Jillian tell Chelsea not to take it. Then, in the next scene, Rose - who has never been shown before in the movie, so the viewer doesn't know who she is - gets mugged. We learn who she is in the next scene, when Chelsea visits her in the hospital. Rose mentions she thinks her attacker was a woman because she was short and had long dark hair. That immediately makes the viewer realize the villain has to be either Alice or Jillian!
Chelsea does all this sleuthing to find out Alice isn't who she said she is (but there's a reason). We also find out Alice's ex-husbabd is murdered. Yet the murder is yet another disparate part of the plot - there is no scene, or appearance of the ex-husband; the viewer is simply told.
Chelsea continues her amateur detective work, finds the true villain, gets pursued by her, until a freak accident occurs which kills the villain cold, just as the father and the other woman come to Chelsea. The movie then has a cold end.
Lame-O.