Darien's sudden immunity to the counteragent forces the Keeper to use an untested antidote.
Darien learns that the Keeper and the Official have been keeping antidote secrets.
A disfigured woman (Susie Park) tries to enlist Darien's help..
The sinister head of the SWRB discovers that Gaither is still alive and storms the Agency to recapture him, kidnapping Alex and stealing all of the Keeper's vital computer files in the process.
The Keeper is accidentally injected with an experimental serum that could cause her to become permanently insane unless she can be given an antidote in time.
Darien helps a young woman who seems to be haunted by a strange apparition, and she is convinced it is her mother, who had disappeared mysteriously weeks before, trying to communicate with her.
The agents are sent to capture a dangerous government assassin who is said to have switched allegiances, and Darien is stunned to discover that the man may be his own father, who has been missing for decades.
Arnaud (Joel Bissonnette) seeks out Darien for help in exchange for a cure for quicksilver madness.
Darien goes to an acupuncturist who discovers his powers of invisibility and forces him to help her steal a set of ancient needles from a museum to treat her mentor, who is suffering from stomach cancer.
Alex finally locates her missing son at a Chrysalis baby camp, only to discover that he belongs to Stark, the agency's sinister leader.
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