Sarah: People once believed that when someone dies, a crow carries their soul to the Land of the Dead. But sometimes, something so bad happens that a terrible sadness is carried with it and the soul can not rest. Then sometimes, just sometimes, the crow can bring that soul back to put the wrong things right.
In the scene at the bar with Gideon when the black guy pours Gideon a drink it is only about 1/3 full. When Gideon drinks it in the next shot it is almost full.
When Eric first goes back to his apartment, right after he returns from the grave, it is raining inside the apartment and his movements look an awful lot like the movements he just made in the rainy alleyway. [Not really a mistake, but worth noticing - the filmmakers were forced to re-use some shots after Brandon Lee's death.]