HENRY AND JANE'S RELATIONSHIP SEEMS HEADED FOR ROCKY TIMES, DR. EVANS FINDS OUT PAYBACK'S A B----, AND NONA'S MISSING GRANDMOTHER LEADS JANE INTO THE GREAT UNKNOWN AS THE DRAKE REVEALS A MAJOR MYSTERY, ON ABC'S "666 PARK AVENUE"

"Downward Spiral" - Henry's political career continues to rise when he receives a special commendation from the Mayor for his heroic actions. However his exultation is tempered by Jane's ever-changing mood about staying at The Drake, where she no longer feels safe. Meanwhile, Jane discovers that both Nona and her missing grandmother, Lottie Clark, have mysterious connections to the building; Brian determines that Alexis has been duplicitous when it comes to Louise and her "affair" with Dr. Evans; and back at the hospital, the good doctor learns the unethical terms of his payback to Gavin in exchange for his help. Finally, Jane and Nona discover one of The Drake's ultimate secrets as they search for Lottie - a secret that will change Jane's life forever -- on "666 Park Avenue," SUNDAY, NOVEMBER 11 (10:01-11:00 p.m., ET), on the ABC Television Network.

"666 Park Avenue" stars Rachael Taylor as Jane Van Veen, Dave Annable as Henry Martin, Mercedes Mas�hn as Louise Leonard, Robert Buckley as Brian Leonard, Helena Mattsson as Alexis Blume, Erik Palladino as Tony DeMeo and Samantha Logan as Nona Clark, with Vanessa Williams as Olivia Doran and Terry O'Quinn as Gavin Doran.

Guest starring are Lia Yang as Dr. Janice Wong, Misha Kuznetsov as Kandinsky, Nick Chinlund as Victor Shaw, Rocco Sisto as Dr. Claude Anton, Teddy Sears as Detective Cooper, Kerry O'Malley as Nurse Potter, Kris Eivers as unknown man, Mandy Gonzalez as Nurse Garcia, Karl Miller as Julian Waters, Michael Cullen as Joseph Lukin and Remy Auberjonois as Father Douglas.

"Downward Spiral" was written by Leigh Dana Jackson & Mimi Won Techentin and directed by J. Miller Tobin.

"666 Park Avenue" is broadcast in 720 Progressive (720P), ABC's Selected HD Format, with 5.1 channel surround sound. A TV parental guideline will be assigned closer to airdate.