When Carrie's obsessed admirer turns up dead, she must locate the killer while deflecting attention from the prime suspect: her.
While tending to patients at the clinic during a blizzard, Michael shows signs of a severe condition that requires immediate surgery.
A Special Prosecutor interrogates Francis. Remy Danton tries to keep his options open. Stamper wrestles with his demons.
Francis back-channels with a Chinese billionaire. Lucas uses extreme measures to expose the Vice President. A shadowy figure joins Team Underwood.
Amidst an energy crisis, Francis and Tusk end their shaky alliance. Lucas must make a difficult choice. Stamper grows closer to Rachel.
Thomas becomes obsessed about an ominous letter that puts his career and family in serious jeopardy. Catherine works to overcome a personal loss.
Carrie tries to uncover the truth when a hotel maid accused of murder says she was defending herself against attempted rape.
Hodges and Janey dig deeper into the circumstances surrounding Olivia's death. Hodges uses Debbie's Blue Umbrella to turns the tables on Brady. Jerome's father intervenes in his relationship with Hodges.