Hulu drops the first official trailer for its upcoming series, The Looming Tower, which traces the threat of Osama Bin Laden leading up to 9/11.

Based on the Pulitzer-Prize winning book, the series follows members of the I-49 Squad in New York and Alec Station in Washington, D.C., the counter-terrorism divisions of the FBI and CIA, respectively, as they travel the world fighting for ownership of information while trying to prevent an imminent attack on U.S. soil.

The Looming Tower premieres on Hulu on Feb. 28.