A strain of the deadly Marburg virus has come up for sale on the black market, and the seller has showcased the wares by infecting an African village. APO has one potential lead: a researcher named Magrite...

The Ghost, a legendary figure who has gone by so many aliases his real identity is a mystery, has created a double-edged hallucinogen that is both a blessing to psychiatry and a powerful weapon that can...

A terrorist cell based in China called Dark Cloud has devised a plan to release a deadly poison on entire nations using rocket technology. In true six degrees-of-separation style, Agent Sydney Bristow's...

Sydney's conscience struggles with her job, which too often asks her to work with criminals she'd much rather put away. She understands the logic -- the small fish versus big fish pragmatism -- but that...

A brilliant Alliance geneticist who disappeared years ago walks into a police station in Siberia wearing a hazmat suit and claims to be responsible for the deaths of his wife and three children. But before...

An oil pipeline leak in the Gulf of Mexico looks like sabotage, and APO is assigned to find the source using any means necessary. Sydney and Dixon visit the drilling platform and discover a likely suspect,...

Agent Sydney Bristow has always held her own in the traditional boy's club of espionage. In fact, she's grown comfortable in her well-earned role as respected go-to girl. But with the recent addition...

What begins as a routine assignment -- infiltrate a public building and retrieve monitoring equipment set up by APO -- goes horribly wrong. With the mission suddenly compromised, the true question becomes,...

Taking orders again from Arvin Sloane is enough for agent Sydney Bristow's life to feel turned upside down. But when an old adversary resurfaces and begs specifically for her help, Sydney is forced to...

Agents Sydney Bristow and Marcus Dixon are hot on the trail of a drug lord who has created a mind-control drug so potent that in the wrong hands it could be one of the world's most dangerous bioweapons....

A Russian controller and his teenage daughter are taken hostage with merciless precision by a terrorist who fancies himself an artiste of chaos. After the CIA fumbles, Sydney and the black ops unit APO...

What's in a name? Apparently everything. A killer is targeting women in the Los Angeles area who share a name with Sydney Bristow's former aliases. Sydney wants the case, but she's already hot on the...