Circles - Part 1 : Season 19 Episode 158
BBC One
Aired: February 12th, 2018 @ 1:45 PM EST on BBC One
Ruhma is forced to report Heston missing when he doesn't come home. Later, Ruhma is hopeful when Rob tells her about a possible CCTV sighting of Heston, but will he still be there? Rob investigates when an underage girl goes missing and there are similarities to an old murder case. Is there a serial killer on the loose?
