Facing relentless examination, River struggles to maintain the precarious balance of his mind.

A disquieting doubt began to settle upon River: the man he had pursued to his death might have been blameless.

The contents of Stevie's voicemails cast a shadow of doubt upon someone within her inner circle.

The discovery of CCTV footage shifted the course of the investigation into Stevie’s death.

River and Ira piece together the nature of Stevie's final investigation, the work that consumed her in the days leading up to her death.

Fragments of Stevie’s murder begin to coalesce in River’s mind, slowly forming a clearer picture.