The new series of the crime drama continues as information from a new witness turns Ellie and Hardy's understanding of the case upside down, while Katie discovers a crucial new link to a key suspect and Beth comes forward with more revelations. Elsewhere, Lucas reveals what he saw on the night of the party, but Jim reacts violently and tells him to keep his mouth shut, while a call from the owner at Axehampton forces Ellie and Hardy to hurry back to the grounds of the house once more.