This is one terrifying premise: Lena Headey and Ethan Hawke star in the not-so-distant-future movie of The Purge, where all of America's problems have been solved thanks to the government's decision to legalize all crime for 12 hours once a year. Watch what happens to Hawke and his family during their night of The Purge.

We're a little nervous about this movie because while we're interested in the idea, the trailer feels more like a simple home invasion film. Granted, the family won't be receiving any help from law enforcement, but how is that any different from The Strangers? Let's hope there's more going on than we think.

Here's the official synopsis:

Given the country's overcrowded prisons, the U.S. government begins to allow 12-hour periods of time in which all illegal activity is legal. During one of these free-for-alls, a family must protect themselves from a home invasion.

The Purge will open in theaters on May 31st.