An alien came to earth, wore the skin of Scarlett Johansson and made an album with Tom Waits covers....Oh wait, that happened in real life! Let's talk about the film now.
An alien comes to earth, wears the skin of Scarlett Johansson, wears another skin of an animal on top of Scarlett's skin (A woman's skin is not enough for Scottish weather, it doesn't have enough fur) and roams the roads of Glasgow. She flirts with ordinary working class plebs, falls on her face (it happened for real) gets back on her feet and starts flirting again (like another Friday night) and of course nobody recognises her because in Scotland don't watch boring films (many flirting scenes were shot with hidden camera, like a prank, so the guys had no idea they were on film and they actually believed someone was flirting with them, poor bastards). Some of them (the real actors) ended up in her house (not the one is space), where she stripped and danced and finally seduced them into her jacuzzi of black goo (and endless void). The guys probably thought it's this black goo you rub on you for scaling, or peeling your skin ..which they were not completely wrong, it just not peels the skin out of you but you out of the skin (if it makes any sense).
I never liked Scarlett or the films she is in, but I enjoyed this one, it's very different from the rest of her filmography and this role fits her like a ... skin. This bored, indifferent, sleepy, confused look of hers made me like her a little bit (and not because of the scene where she is naked touching her self).
Fun fact: The guy who plays the horribly deformed guy? He is not playing, he is really deformed and he is a successful actor.