 Victor, the Charmed Ones  often absent father, comes back to try and reconnect with his daughters. Phoebe is glad, but Prue is not. Meanwhile, Prue has been hearing a tune; she can t get it out of her head. When she and Piper hear a little girl humming it, they follow her to an ice cream truck. All three of them get sucked inside and discover a snow covered playground with several other children hiding from the "nothing". A portal opens and Prue and Piper are able to rescue the children. But when one of them burns the ice cream man with his bare hands, the two sisters discover the mistake they ve made. They must find the demon children and find an ice cream man to drive the truck before it s too late.