Gaffes

After Sara stabs herself in the thigh and collapses, she stands and inexplicably the bottom of her right foot is covered in blood yet there is no blood pool on the floor.

After John misses the glass of beer which the bartender slides down the bar to him, the bartender says it was his last beer. This is highly dubious that a bar would run out of beer.

After John and Sara finish breakfast, their eggs leftovers are one one side of their plates. It is clear that the rest of the plates are clean, meaning the food was placed at the sides to appear of leftovers. their is no sign that the food ever touched the clear areas of the plates.