At 44, New York divorcee, Mel, is not ready to give up on God or the possibility of motherhood. Between running an actors' agency in Hammersmith and rehearsing her role in a rock musical, she agrees to take care of her stepdaughter, Jess's challenging four-year-old son, Billy, two afternoons a week. Writing: Playing Billy's Mom on a strip of paper to place in her Gratitude jar, she prays that her good deed will have a pay off: her own fertility. Meanwhile,...