I don't really think they're going to approve the death penalty for marijuana possession, but if they do my contingency plan involves these plane tickets and this passport for Mr. John Q. Public."
A contingency is a situation that is contingent
: one that may or may not happen based on other events, or on chance. A contingency plan is a plan of action that one does not necessarily intend to enact, but which is ready in case certain events come to pass. It usually refers to a harm-reducing reaction to an undesired outcome, though not necessarily the worst case scenario