1) Crafty and involved plot 2) Game 3) Intrigue 4) Plot 5) Plot or scheme 6) Plot scheme 7) Secret plan 1) Intrigue 2) Plot 3) Priestcraft 4) Ruse 5) Scheme 
• (n.) The act of machinating. • (n.) That which is devised; a device; a hostile or treacherous scheme; an artful design or plot.
Mach`i·na'tion noun [ Latin machinatio : confer French machination .] 1. The act of machinating. Shak. 2. That which is devised; a device; a hostile or treacherous scheme; an artful design or plot. « Devilish machinations come to naught.» ...
plot scheme (esp. evil)Â 
[SAT terms] a crafty and involved plot to achieve your ends a crafty and involved plot to achieve your ends a crafty and involved plot to achieve your ends[Intelligent words] a crafty and involved plot to achieve your ends