| An overnight journey, from Southampton to London, in a business class compartment is comfortable and expensive and the premise where two of the film's protagonists, complete strangers to each other, meet, talk and decide that they would kill each other's wife to rid each other of the hell they are trapped in. |
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| The claustrophobia of the space of the compartment and the fact that the two people are not juxtaposed with each other but somehow meant to be there together is both exciting and repulsive. |
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