Spence better sleep with one eye open ... actually, make that two.

In the upcoming, Season 4 installment of Lifetime’s “Devious Maids,” Spence (Grant Show) will find himself being watched in his sleep by his prison cell mate.

“This place is really getting to me,” Spence says to Rosie (Dania Ramirez) when she pays him a visit. “There’s this inmate who keeps watching me.” And as if stalking prisoners in their sleep wasn’t creepy enough, Spence’s new admirer will crank up the eeriness a notch when it’s revealed he has “KILL” written across his forehead.

This will surely light a fire under Rosie, pushing her to figure out a way to prove Spence’s innocence. But her suspicions of Ben’s (Carlos Ponce) involvement may have Rosie missing in action just like the dancer. In episode 3, Ben found out that Rosie knew someone who could prove that Spence didn’t kill Peri (Mariana Klaveno). He then paid the knowledgeable dancer a surprise visit, sneaking into the back seat of her car. Next thing viewers know, the dancer is missing and so is Spence’s alibi.

While Rosie searches for clues, Marisol (Ana Ortiz) searches for freedom from her new, clingy roommate, Evelyn (Rebecca Wisocky). After Adrian (Tom Irwin) drained Evelyn’s bank accounts, he left his wife financially unstable. He hoped this would have her crawling back to him, but instead she walked over to Marisol’s home. But it appears Evelyn will begin to get on Marisol’s nerves when she starts to channel her poorer side.

Evelyn won’t be the only one rubbing others the wrong way. Daniela (Sol Rodriguez) will also become very upset with Carmen (Roselyn Sanchez) when she learns her “cool cousin” tattled on her and called her mom. Daniela was acting wild between her reckless driving and hooking up with strange boys. That’s when Carmen decided to call Daniela’s adoptive mother, played by “Orange Is the New Black” actress Elizabeth Rodriguez, to step in.

“I’m here to take you home,” Daniela’s mom says.

“Devious Maids” Season 4 Spoilers Carmen (Roselyn Sanchez, left) will pull out the big guns hoping to tame Daniela’s (Sol Rodriguez) wild side in Season 4, episode 4 of “Devious Maids.” Photo: Lifetime

“Devious Maids” airs Mondays at 9 p.m. EDT on Lifetime.