Sarah Allen

Aidan gives in to his instincts, Josh faces his sister; Sally is ecstatic to have roommates who can see and hear her.

Birkhoff tells Nikita that Sonya (recurring guest star LYNDIE GREENWOOD) is Amanda's mole and not only has Amanda reactivated Sonya's kill chip but she also placed a second mole in Division to keep an eye on her. Nikita, Michael and Ryan devise a plan to use Sonya to ferret out Amanda's hiding place and Birkhoff sets a trap for the second mole. Meanwhile, Michael confronts Alex about her drug use and she begs him not to tell Nikita.

A surprise guest wreaks havoc on Aidan’s life, Josh faces a familial dilemma; Danny tells the story of how Sally died.

Amanda sends a rogue Division agent, Anne (recurring guest star SARAH ALLEN – Being Human), to spring Owen from a Russian prison, but Owen manages to escape her clutches and sends a message to Nikita that he's free. When Nikita tracks him down, Owen is shocked to learn that Nikita is with Division now but returns to base with her. Michael and Ryan aren't sure they can trust Owen, but Nikita stands by her friend.

Nikita and Michael capture Cyrus (guest star ISAIAH MUSTAFA – Chuck), an arms dealer, who is purchasing a weapon-jamming device for Ari (recurring guest star PETER OUTERBRIDGE). Nikita convinces Ryan to let them use Cyrus as bait to capture Amanda, but Cyrus manages to escape the trap. However, when Amanda double-crosses Cyrus, his only hope for survival is Nikita. Meanwhile, Birkhoff is hot on the trail of Amanda's mole and Alex starts to unravel.