They are accused of 'plotting' the assassination of the prime minister. = They are accused of 'plotting' to assassinate the prime minister.
As the 'plot' unfolds [=as the story continues; as things happen in the novel, movie, etc.], we learn more about the hero's family.
He is a master of 'plot' [=he is very good at thinking of interesting stories], but his characters are not realistic.
(..) of Lez-banese man-haters, and the reason they're always screaming about their reproductive rights is to distract us from their real plot, which is getting rid of the male species. Oh, good Lord. Yeah. And we get (..)2016 TvShow: Bones Title: The Murder of the Meninist Season: 11 Episode 12