Julio wakes up in bed next to Julia, a stunningly beautiful woman. Neither remember the night before, or each other’s names. As they awkwardly deal with the fallout of a blackout one night stand, they come to realize something way bigger is happening in the world – a four mile wide space ship is hovering over Madrid.
The teaser trailer is now out:
Based on the trailer alone, I'm betting some of the comedy stems from the awkwardness generated by the fact that Julio and Julia are basically complete strangers forced to deal with an extraordinary situation. I'm guessing the invasion part is probably mostly backdrop, but one that allows for the exploration of romance and relationships from a heretofore unexploited angle.
I only read the first two paragraphs of the review because I intend to see this film. However, if you'd like more information, a quick Google search revealed that other reviews have hit the Web.