Donna and the Doctor attend a party hosted by Lady Edison and end up embroiled in a murder investigation.
Donna, Agatha Christie, and the Doctor fight the wasp and Agatha's car is left by the lake.
Donna, Agatha Christie, and the Doctor investigate the murder.
Reverend Golightly stumbles on some thieves in his church and transforms into the wasp.
Donna and the Doctor follow Agatha Christie who is being chased by the wasp.