FRANK IS EMBROILED IN A NEW INVESTIGATION, AND CLAIRE IS CONFRONTED BY AN OLD FRIEND ABC'S "THE GATES" ON ABC

"Breach" - There's been a robbery at the McCallisters', setting off a series of similar mysterious robberies around town. Meanwhile Brett does his best to get his relationship back on track with Andie, though she still finds herself drawn to Charlie; Lukas encourages Brett to join the pack and blow off a little steam; Leigh is not herself when she loses an important package, and possibly her connection with Marcus; and Claire reunites with an old friend who questions her transformation to a humble housewife, on "The Gates," SUNDAY, JULY 11 (10:00-11:00 p.m., ET) on the ABC Television Network.

"The Gates" stars Frank Grillo as Nick Monohan, Marisol Nichols as Sarah Monahan, Rhona Mitra as Claire Radcliff, Luke Mably as Dylan Radcliff, Travis Caldwell as Charlie Monohan, Skyler Samuels as Andie Bates, Colton Haynes as Brett Crezski, Chandra West as Devon, Victoria Platt as Peg Mueller, Justin Miles as Marcus Jordan and Janina Gavankar as Leigh Turner.

Guest Starring are Victoria Platt as Peg Mueller, James Preston as Lukas Ford, Devyn Tyler as Mia Mueller, Shannon Lucio as Teresa, Linden Ashby as Ben McAllister, Andrea Powell as Karen Crezski, Paul Blackthorne as Christian Harper, Jason Davis as Mr. Abernathy, Rachel DiPillo as Lexie, Kendrick Cross as tech guy, Kym Jackson as gorgeous woman, Chris Jensen as Gerald Crouse and Catherine Dyer as Lauren Crouse.

"The Monster Within" was directed by Terry McDonough and written by Richard Hatem.

"The Gates is broadcast in 720 Progressive (720P), ABC's selected HDTV format, with 5.1-channel surround sound. A TV parental guideline will be posted closer to airdate.