Karen Fisher and her son Robby Echo visit her good friend Syren De Mer and her son Nathan Bronson one afternoon. While the boys play in their room, Syren shares with Karen that the divorce has been rough, leaving her feeling lonely most nights and unfortunately, Nathan doesn't let her take care of him like she used to. When the boys come back down needing some attention, Karen and Syren have the idea to swap their stepsons and show them what a real good time they can have with mommy's friend!