Crank

Hired killer Chev learns that ill-wishers have poisoned him with a rare Chinese poison and the poison will begin to act immediately as soon as his pulse stops beating below a certain point. And now Chev needs to have time to do all his business, try to get an antidote and take revenge on his poisoners in the literal sense of the word in a hurry - trying to create as tense an environment around himself as possible and not relax for a second.