"flimsy plot" is a correct and usable phrase in written English.
You can use it to describe a storyline or plotline that is weak or thin. For example, "The movie had a flimsy plot and relied too heavily on special effects."
But the play is simply too long, its score too weighty for such thin characters and a flimsy plot.
Flimsy plot, but the name of the game is the succession of Abba hits that the stars throw themselves into.
Although clearly not intended to be taken entirely seriously, the lofty opening premise collapses under the flimsy plot that follows.
This extremely flimsy plot turn allows Mitch to stay in his house, and lets the stars party as if it were 1999.
This is a pretty flimsy plot for a motion picture, but flimsy plots were a central feature in new wave films.
To chart the differences between "Transporter 3" and its two predecessors is as pointless as trying to parse its flimsy plot.
Their engine was character; the needs of the characters drove the flimsy plots (not always flimsy, in Ibsen's case).
I see spelling and punctuation errors, flabby dialogue, flimsy plots, inconsistent characters.
And be sure you've fallen in love with the story and know it will work dramatically because so many opera libretti are based on flimsy plots.
Even aside from the obvious continuations – Ecto-1 the car, Slimer, the cameos from the original's stars – the former film's structure is all but cut and pasted into the new version, but with a flimsier plot.
Am I really here?" And, although farce is sometimes viewed as inherently silly and flimsy, the plot of The Painkiller turns on homicide and suicide.
