1) Counterplan 2) Game 3) Plot 4) Secret plan 1) Counterplan 2) Retaliation 
• (n.) A plot or artifice opposed to another. • (v. t.) To oppose, as another plot, by plotting; to attempt to frustrate, as a stratagem, by stratagem.
Coun'ter·plot` noun A plot or artifice opposed to another. L'Estrange. Coun`ter·plot' transitive verb [ imperfect & past participle Counterplotted ; present participle & verbal noun Counterplotting .] To oppose, as another plot, by plotting; to attempt to frustrate, as a stratagem, by stratagem. « Eve...
[n] - a plot intended to subvert another plot 2. [v] - make a plot in response to another plot
counterplan noun a plot intended to subvert another plot