Connections between the cases start to come into focus. Whiteman encounters an unexpected complication; Hillinghead attends a séance.

Hasan discovers she isn't the only detective investigating a murder on Longharvest Lane. In the past and future alike, relationships start to deepen.

The past, present and future collide as a set of fingerprints from 1890 are found in 2023. Maplewood uncovers the Commander's true identity.