Sometimes, no matter how carefully plans are made, something happens and the result is a life-changing experience. For the people featured in `When Vacations Attack', that is most definitely the case. All their careful planning for the vacation of a lifetime comes to naught when Mother Nature intervenes, or circumstances conspire against them. Whether it's a volcanic eruption or an oil spill, the end result is the same - a trip that is nothing like what it was supposed to have been.