Crush

Attraction can be fatal.

The name of this movie is Crush released in 2009-04-01 and it's main theme is Julian is perfectly happy in his relationship with the pretty blond Clare. That is, until he meets Anna, a dark-haired, bikini-clad beauty who he encounters while he is house-sitting. Passion reigns in their relationship, and soon Julian learns that Anna is more dangerous than he ever would have thought..