counterbetrayal means A betrayal in response to a previous betrayal.
Etymology
From counter- + betrayal.
noun
- A betrayal in response to a previous betrayal.“Ms. Atwood’s spins out her plot as busily as a spider, constructing an intricate web that ensnares Charmaine and Stan in a dizzying game of betrayal and counterbetrayal involving extramarital affairs, human-organ trafficking, blackmail, espionage, identity theft and sex-bot manufacturing.”