When teenage "Liberty" (Ema Horvath) arrives to meet her mum's new boyfriend, you might be forgiven for thinking there was a double entendres in the title. He emerges toned and lithe from the water - à la Daniel Craig - and she is smitten. His pearly white smile and soon "John" (Trey Tucker) is the apple of her eye. That is until she begins to suspect that this person is just a bit too perfect. He swims the lake at all hours collecting samples of all kinds of creatures and pretty soon the preposterous nature of this ridiculous - but well produced - yarn come to the fore. The acting is almost a...