Mozart is evicted from the Whiskers family by Flower, and she is forced to leave her pups behind. Territorial drama ensues when the family takes shelter from the storm in one of the burrows formerly inhabited by the Lazuli family.
Ghostly beings have been regularly appearing across the world and people, believing them to be their dead loved ones, are welcoming their visits with open arms. When the TARDIS arrives at the Torchwood Institute, the Tenth Doctor and Rose are taken prisoner. They are drawn into the investigation of a mysterious sphere kept in Torchwood Tower, and monstrous foes return as two universes collide.