Watch The Wrong Babysitter for Free: How to Stream the Movie Online at 123Movies. . A recent kidnapping has single mom Susan worried about leaving her daughter Christy at home for an out-of-town trip - until neighbor Teri offers to "babysit," looking in on Christy and spending the night. But Susan rushes home when Christy goes missing, under circumstances reminiscent of her police detective husband's death. Susan will have to open the past wound of her husband's death in order to rescue the only family she has left.