Do you ever talk to strangers?
Neither does Jason, an ordinary post-grad, living in a big European city. But something goes wrong this time, so he gets involved into the conversation. And there's another tiny detail. The stranger is not from our world. And the creature makes an offer, which Jason actually can refuse, but he doesn't. All these lead to a thrilling consequences of events which Jason would consider funny if they happened to someone else. Alas, he has to face all the awe-inspiring, thrilling and at times scary things on his own.
I guess you've got plenty of questions by now.
Wanna learn the answers?
Well...
Just watch the movie.