A MURDER INVESTIGATION UNCOVERS BOMBSHELL SECRETS - BOTH PERSONAL AND PROFESSIONAL - ON ABC'S "ROOKIE BLUE"

Lauren Holly Guest Stars as Gail's Mother, Superintendent Elaine Peck

"In Plain View" - When a police informant's murder points to the involvement of the notoriously brutal East Jameson gang, the division realizes that cracking this case will not be easy. And when Gail's intimidating mother, Superintendent Elaine Peck, arrives on the scene, there is even more pressure to solve the case. Meanwhile, Andy finds herself paired with Detective Rosati, whose unintentional disclosure of a secret puts Andy's relationship with Luke in jeopardy. And Gail, stressed out by her mother's presence in the station, is assigned to protect the only known witness to the crime -- a seemingly homeless eight-year-old boy with a shocking secret of his own -- on "Rookie Blue," THURSDAY, JULY 28 (10:00-11:00 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 "In Plain View" are Camille Sullivan as Detective Jo Rosati, Lauren Holly ("NCIS," "Picket Fences") as Superintendent Elaine Peck and Samantha Munro as Deena.

"In Plain Sight" was written by Adam Barken and directed by David Wellington.

"Rookie Blue" is broadcast in 720 Progressive (720P), ABC's selected HDTV format, with 5.1-channel surround sound. This program carries a TV-14,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.