Mark Thompson

A series of rolling blackouts in the city of Los Angeles lures a serial killer out of hiding.

Brian asks Reba out for Valentine's day but she is nervous and pretends to be sick; Jake likes a girl at school.

Melinda must contend with crash investigators and an evil spirit when she tries to help hundreds of confused passengers killed in a jetliner crash.

In order to stop the release of the deadly virus, Jack starts a riot to break Ramon Salazar out of prison. Meanwhile, CTU is closer to finding Kyle Singer; and President Palmer and Senator Keeler begin their debate.

President Palmer must make a life-threatening decision regarding Jack. Meanwhile, Kim learns of her father's drug addiction; and Ryan Chappelle takes command of CTU.

Although President Logan claims the country is no longer under attack, marital law is still enforced and CTU remains under intense pressure to find the remaining fugitives. Meanwhile, Jack, Audrey and Secretary of Defense James Heller reunite for a pivotal meeting.