Homeless and on the run from a military court martial, a damaged ex-special forces soldier navigating London's criminal underworld seizes an opportunity to assume another man's identity -- transforming into an avenging angel in the process.

Joey: When I'm sober... When I'm healthy and well... I hurt people. I'm lethal. I drink to weaken the machine they made.
Joey: You've got a knife? I've got a spoon.
Tracey: So Joey, are you exclusively gay?
Joey: You know, it's interesting. Recently, I've found myself attracted to nuns.
[last lines]
Joey: [in his letter] Now I go back to the street and disappear. I was alive again for one summer. I'm glad I spent it with you. I hope Africa treats you well. All my love, Joseph Smith.
Cristina: How will you get home?
Joey: I'm a gangster, I'll steal a car.
Joey: Sister, I'm Catholic.
Cristina: I'm not your sister. I'm drunk, and I'm up against the wall.
Joey: You know why she ended up in the river? Because that's what the river's for. To wash away girls when they're finished with them!
Cristina: You look like a good man.
Joey: So take a picture.
Cristina: Did your daughter ask for photos?
Joey: No, when she's older. This way she'll have something to remind her of me.
Cristina: You won't see her?
Joey: I don't think I'll look like this for much longer.
Cristina: Actually, Joey, I do like photographs. I take photographs... usually of nature.
Joey: Penises are nature, I suppose.
Cristina: Yes, I suppose they are.
Mr. Choy: You want to work?
Joey: Yeah.
Mr. Choy: You know what kind of work I do...
Joey: They say you want a driver.
Mr. Choy: I got a lot of businesses. They say you're a hard man. It's a hard city.