A deserted island, Charley has been stranded since surviving the crash of a Cybership
and has been routinely sending SOS signals
.The TARDIS materializes, but it's not who she was expecting!
As the Sixth Doctor takes Charley on a journey, presumably home, Charley is stuck with a man who she can't tell the whole truth to, and the Doctor with someone who he doesn't seem to be able to fully trust.
The TARDIS lands, and the Doctor and Charley discover a body.. And the Doctor is promptly accused for murder.But the victim isn't an ordinary one...
- Action Girl: D.I. Patricia Menzies
- Alien Among Us: Turns out loads of aliens are on Earth disguised as humans. Once someone knows the signs they are easy to spot.
- Apologetic Attacker: When Charley wrestles Maxine to the floor, she keeps apologizing.
- Back-Alley Doctor: Dr. Aldrich is one for various alien species who hide out on Earth.
- Call Back: The Doctor mentions the aspirin being poisonous to Time-Lords.
- Cat Scare: Behind a closed door Charley encounters a cat.
- Dead All Along: Sam has been dead from the start. (See also Genius Loci)
- Friend on the Force: Menzies slowly develops into one for the Doctor, in this story.
- Genius Loci: Sam has been absorbed into the building, and can affect it. Slater plans to invade Earth this way.
- Have We Met Yet?: Charley is from the Doctor's future, and tries not to tell him too much. The Doctor on the other hand, has already met Detective Menzies in the future (in a previous incarnation), but keeps this info from her.
- Ironic Echo:
I'm afraid I don't remember.
- Kindhearted Cat Lover: Charley and the Doctor discover a stray cat, and he immediately takes to it (And vice versa); this is a departure from his previous incarnation.
- The Masquerade: The person killed was an alien, disguised as a human by a DNA patch.
- Mistaken for Murderer: The Doctor.
- Mr. Smith: Charley claims to be called Charlotte Smith when she first meets the Doctor. Later he calls himself Doctor John Smith in the station. After hearing she called herself Charlotte Pollard in a call he works out Smith isn't her real name and lampshades this by saying "Smith does sound a little fake."
- Only in It for the Money: Both Maxine and Antonia.
- Tap on the Head: How Charley gets taken out.