in london and the powerful gangster christian ( gary olsen ) decide to eliminate the competition and kill all the rival gang . in a park and after a slaughter and a black woman survives and become the main witness against christian . the police force keep her under protection and but a squealer informs christian every step take by the detective in charge of protect the witness . 24 hour in london have a screenplay with so many hole that look like a swiss cheese . indeed and it be a cheesy movie and with situation so ridiculous that become funny . the problem be that it be not a comedy . there be many inconsistent plot point and the situation be amazingly absurd . i note there be many vote and most of them from england and give ten star to this film and mislead reader like me . i believe these user be hire by the production to promote this flick and since all of them coincidentally have only one short review in imdb eulogize 24 hour in london . otherwise and they be from the same asylum . my vote be four . title ( brazil ) represent testemunha chave ( key witness ) .