When a plan fails, and it has the opposite result of what was intended.
Undo (twisted, knitted, or woven threads)
To be forced to cancel one's plans
Be silent, morose, and bad-tempered out of annoyance or disappointment
VERB
Backfire - When a plan fails, and it has the opposite result of what was intended.
The politician tried to hide his assets, in order to appear like a common man. But his plan backfired when they were revealed, and people saw that he was a liar.