While employing his holo-imaging device, The Doctor discovers that his short-term memory buffer has been tampered with and fervently initiates an investigation to find the person or thing responsible for the corruption.

Scarlett Pomers (Naomi Wildman)
Nancy Bell (Ensign Ahni Jetal)

• Ensign Jetal died 18 months ago when an alien attacked Jetal and Ensign Kim. The Doctor could only save one of them and he chose Ensign Kim.