So when his father-in-law, King Harold, falls ill, it is up to Shrek to find a suitable heir, or he will be forced to give up his beloved swamp for the throne.

• 因此，当他的岳父哈罗德国王生病时，史莱克就得去找一个合适的继承人，否则他将被迫放弃心爱的沼泽地，登上王位。