Internal Affairs asks hard questions about Rask's interrogation of Elias eight years ago. Kurt realizes an eyewitness isn't telling the whole truth.

Following another murder, Rask is taken off the case by Osei. Kurt begins working with a new partner to follow a trail that leads them into the past.

Reza develops a theory about the night of the murder that casts suspicion on someone uncomfortably close by — but feels that Kurt is holding him back.

The puzzle pieces of two cases years apart finally fit together, leading the detectives to startling conclusions about a senior government official.