Living on a rundown shipwreck, Mr. Fish one day discovers a hyperactive young sea dragon Pip – who had mistaken his home for a junkyard – pilfering his belongings. The heated argument that ensues leaves both their houses in ruin. But there is hope! Embarking on a seemingly impossible quest in search of the mythical 'Shimmer' to grant them a wish, there’s only one problem: someone else is on the hunt...

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