As Rose Tyler embarks upon her first big TARDIS adventure with the newly-regenerated Doctor, they discover a sinister hospital run by strange cat people and run in to two old acquaintances, The Face of Boe and Cassandra.
A shy teenager accidentally kills a mocking peer, and his mother helps him hide in a spare room in their house. Problems arise when the mother goes for an operation and dies, and the house is sold to a new family, with t…