Related Clues:

• Underhanded plan
• Whodunit foundation
• Whodunit kernel
• It might thicken when given a twist
• Clever ploy
• Churchyard unit
• Secret plan
• Cabal's creation
• Schemer's hatching
• Whodunit blueprint
• Surface for gardening
• Conspire (against)
• Misleading trick
• ''The ___ thickens''
• Swindler's scheme