As Bonn is released from enquiries Sylvie Gibson risks contravening planning regulations for her latest project and Jason accuses Stephen of double dealing. Elderly Walter Davies is attacked in his home, leading Marcella to Cullen, who is still pursuing a now wary Maddy. Krol's landlady Linda Callaghan is increasingly perturbed by his actions whilst Marcella interviews the taxi driver who was possibly the last person to see Grace before her killer. Her pursuit of Cullen endangers her but leads her to a conclusion regarding the serial murderer.
—don @ minifie-1