Ruby Sunday (Millie Gibson) loses the Doctor (Ncuti Gatwa) in a fairy circle on a clifftop in rural Wales. She is stuck with a stalker — one who stays exactly 73 yards (aka 219 feet) away, just far enough that Ruby can't quite see or hear her — for the rest of her life.
SEE ALSO: Ncuti Gatwa and Millie Gibson choose their ultimate 'Doctor Who' squadThat's the premise of "73 Yards," the mind-bending fourth episode of Doctor Who Season 14,...