Plot, Ulterior Motive, Secret Intention, Hidden Purpose
noun, verbal noun
The soul and guts of a story lie in the plot!
こんたん
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
あわよくばおこぼれに預かりたいという魂胆が見え見えだよ。
You are so transparent. I can tell that you’re plotting to get a share of the profits if you get the chance.