ANDY DISCOVERS JUST HOW FAR HER TRAINING OFFICER WILL CROSS THE LINE WHEN THEY'RE INVOLVED IN A DANGEROUS HUNT FOR A MISSING INFORMANT, ON ABC'S "ROOKIE BLUE"

"Mercury Retrograde" - As the other rookies attempt to hunt down a violent escaped convict, Andy gets a lesson in the dangers of undercover work when she and her training officer, Detective Sam Swarek, search for a missing informant whose cover has been blown. Swarek's rogue tactics on the job aren't all that Andy finds troubling -- there's also a surprising, undeniable attraction between the two of them -- on "Rookie Blue," THURSDAY, JULY 1 (9:00-10:00 p.m., ET), on the ABC Television Network.

"Rookie Blue" stars Missy Peregrym as Andy McNally, Gregory Smith as Dov Epstein, Charlotte Sullivan as Gail Peck, Enuka Okuma as Traci Nash, Travis Milne as Chris Diaz, Ben Bass as Sam Swarek and Eric Johnson as Detective Luke Callaghan. Also starring in the series are Melanie Nicholls-King as Noelle Williams, Matt Gordon as Oliver Shaw, Noam Jenkins as Detective Jerry Barber and Lyriq Bent as Frank Best.

Guest starring in "Mercury Retrograde" are Aidan Devine as Sgt. Boyko, Peter MacNeill as Tommy McNally, Julia Taylor Ross as Emily Starling, Serge Houde as Anton Hill and Marc Strange as Walter Froug.

"Mercury Retrograde" was written by Morwyn Brebner and directed by Charles Binam�.

"Rookie Blue" is broadcast in 720 Progressive (720P), ABC's selected HDTV format, with 5.1-channel surround sound. This program carries a TV-PG,L,V parental guideline.

This episode of "Rookie Blue" will be available on ABC.com the day after airing on the network for users to watch online.

For more information on "Rookie Blue," please visit ABC.com.