DreamWorks has hired commercial director Ringan Ledwidge to helm their upcoming time travel thriller Glimmer.

The film follows a group of teenagers that discover a portal to the past. One of the teens tampers with history and starts a chain reaction that sends the universe spinning out of control. The screenplay was written by Carter Blanchard.

Mark Sourian and Adam Kolbrenner are producing. Shooting is scheduled to begin early next year.