The phrase "entire plot" refers to the entire story, including all the events, characters, and their relationships, from beginning to end. Full definition
It is also a game whose entire plot turns on the fact of a bomb being placed in a woman's vagina. (tevisthompson.com)
This film's entire plot revolves around the deflowering of Ms. Tyler's character, and is handily summed up (by the playwright) in four words: «Who's the lucky fella?» (nytimes.com)
In fact, it looks like Avengers 3 will be lifting entire plots from the comic. (screenrant.com)