The movie Crank follows the life of Chev Chelios, a professional hitman who wakes up one day to find out that he has been injected with a poison that will kill him if his heart rate drops. He soon discovers that his rival, a fellow hitman named Verona, is responsible for the injection.
Determined to stay alive, Chev sets out on a frantic quest to find Verona and get the antidote for the poison. As he races through the streets of Los Angeles, he must constantly keep his heart rate up by engaging in adrenaline-fueled activities such as fights, car chases, and even sex.
Along the way, Chev encounters various characters, including his girlfriend Eve and his friend Kaylo, both of whom try to help him in his desperate quest. He also runs afoul of the police, who are hot on his trail, as well as other hitmen who have been hired to take him out.
In the end, Chev manages to track down Verona and engages in a final showdown with him. Despite being shot numerous times, Chev manages to kill Verona and obtain the antidote, which he injects into himself just in time to save his life.
Overall, Crank is a non-stop, action-packed thrill ride that will keep viewers on the edge of their seats from start to finish.