[lose] the plot
1
to be unable to comprehend what is happening around one
The idiom "lose the plot" likely originates from the world of literature and storytelling, specifically in reference to the plot of a novel, play, or movie. To "lose the plot" means to become confused or disoriented regarding the narrative of a story. This phrase is often used to express that someone has become confused, disoriented, or has lost their focus or understanding of a situation or task.
- During the movie, I completely lost the plot and couldn't follow the storyline.
- I was giving a presentation, but I lost the plot halfway through and had to ask for help.
- He was explaining the math problem to me, but I lost the plot after the second step.
- She's been acting so strangely lately, like she's lost the plot or something.