Gemma is focused on her career, but a horrible car crash changes everything. (Gemma's sister is driving with her husband; the two are arguing about whether excessive "screen time" has become a family issue. The argument is useless--wrong place, wrong time, both parents are clearly wrong, wrong, wrong--and anyone with small children will "relate." In the midst of the squabbling, a snow plow appears--and all adults immediately die.) Because of this snow plow, Gemma "inherits" her little niece, Cady. This is not the life Gemma imagined! She has work to do! How often can she take a deep breath and ask, politely, that Cady make proper use of the toilet-bowl flusher? (Again, if you have kids, you personally have lived through large stretches of this "movie.") Gemma happens to design toys, and she has a fancy Tokyo item that resembles a ball. She tries to explain its many functions to Cady--but a well-meaning therapist says, "Why don't y...