Two characters, who are usually active antagonists to each other, make some sort of bargain. Both of them independently decide to break it. Often this is a sign of Genre Savvy on the part of everyone concerned. A common result of the Scarpia Ultimatum. Also compare Hostage for Macguffin, a more specific situation where the heroes wait for the villain to betray them before doing likewise. One common result, especially in more comic situations, is for one character to guilt-trip the other over the betrayal, before revealing their own cheating. Examples of Rash Equilibrium include: