The Doctor has disappeared, and both Missy and Colony Sarff are looking for him. When planes freeze in the sky above modern-day Earth, UNIT calls on Clara to help in the search.
"...when it's not your turn." - McNulty
During the trial of D'Angelo Barksdale, a mid-level dealer accused of murder, the prosecution's star witness recants her testimony, resulting in a not guilty verdict. After the trial, Detective James "Jimmy" McNulty explains to Judge Phelan how he suspects the Barksdale crew for a slew of related murders. When the judge contacts McNulty's superiors about this revelation, McNulty is taken to task for his indiscretion. Meanwhile, D'Angelo is free to return to work, but he soon discovers that he's been demoted.