Hatch plots is a term used to describe a plan or SCHEME that is hatched in secret. It is often used to refer to a plan that is created by a group of people to achieve a certain goal, usually without the knowledge of others. The term hatch plots is derived from the phrase 'hatching a plot, ' which means to devise a plan or SCHEME. The crossword solution for this term is 'SCHEME, ' which is a synonym for hatch plots.