 Not many objectives vary from this, though a few will occasionally vary.Following a completely different narrative than that of the eponymous film which it is based on, "Shrek" is meant to be a "continuation" of the story of the film, taking place after the title character has set out to regain his swamp and become a "'de facto' hero" to the fairy tale creatures.Shrek is delivered a message by the infamous Magic Mirror that his wife Princess Fiona has been captured by an evil wizard, Merlin.