Related Clues:

• It might consist of a 19-Across
• Whodunit component
• Deceptive device
• Central story line
• One may be cooked up
• Movie's story line
• It might thicken
• It usually thickens
• Tricky maneuver
• Coup start
• Whodunit foundation
• Whodunit kernel
• It might thicken when given a twist
• Clever ploy
• Churchyard unit