Trying to put their mystery-solving days behind them, the Scooby gang go on an all-expense-paid trip to a mysterious (and strangely familiar) tropical island where their vacation is cut short by an army of marauding zombies.
A thirty-something slacker named Shaun decides to turn his life around and win back the girlfriend who just dumped him by taking on the hoardes of flesh eating zombies that are beginning to take over the streets of London.