Based on

Movies like Infection: The Invasion Begins (2010)

A mystery surrounds a small town that was attacked on September 9, 2009. Now sixty years later, the last survivor, Sarah, sends a high profile reporter a letter suggesting what really happened on that day. The government calls 9/9/09 the start of the "Modern Plague", and the reporter soon realizes that the truth may be harder to uncover than the lies.