A violent message hidden within an artwork suggests Cox isn't the only one with something to hide. Matilda finds evidence of a destroyed forgery, and Jane puts her computer skills to work uncovering more shady dealings within the world of modern art. Meanwhile, Kane has fallen of the rails, and his assistant worries for his safety. Could he be another victim of the killer?

• Julian Unthank

• Sarah Woodward
• Olivia Vinall
• Julie Graham