The Underwoods tackle two threats that could bring their plans to ruin. Francis grooms his replacement as Whip. Claire goes on the offensive.

When an environmental scientist, Dr. Oscar Silva, is poisoned during a global warming symposium, Detectives Cyrus Lupo and Kevin Bernard initially suspect competitors from Dr. Silva’s field of study. It…

Green and Cassady hunt a mass murderer Leon Vorgitch, who recently escaped from prison. The finally corner Vorgitch in a school with a room full of hostages, and before surrendering…