The live two-night finale starts tonight 8/7c!
Sean tells a weakened Leila that Sterling has called someone at the CDC who will be able to help her. Leila has given up hope, but Sean begs her to fight the virus with all her might. Meanwhile, Sterling finds a damaging report on Dr. Lu's computer that shows the rapid spread of the deadly pathogen. After careful research, Sterling learns that the Sleepers are depositing pressurized aerosol containers carrying the virus at three distinct locations (a food processing plant, the Bureau of Engraving, and Dulles Airport).