Season 3 ends with the maids putting their own lives at risk to unmask a killer.

Lives are changed forever following the shooting at Rosie and Spence's wedding. A familiar couple returns to Beverly Hills with their new, mysterious daughter.

Zoila and Javier prepare to get married, but Genevieve insists that Zoila listens to her advice. Meanwhile, Spence goes behind Rosie's back to protect her, Marisol debates hiring for a picky client, Carmen begins a new job, and Blanca suspects her new employer is hiding a lot more than she thought.

Marisol questions the return of a familiar face to the neighborhood. Carmen's lies begin to catch up to her. Zoila tries to prove she is a better maid than Joy. Rosie's suspicions about Taylor lead her to a shocking discovery. Evelyn goes to extremes to keep Deion.

Evelyn surprises Adrian upon his return from the hospital. Sebastien encourages Carmen to forge a relationship with Jacklyn. Zoila is shocked to discover a secret that Genevieve has been keeping from her. Marisol learns some surprising information about Jesse's past acquaintances. Rosie turns to Spence for help parenting Miguel.

Marisol believes Taylor is hiding something about the murders. Ernesto sets a plan into motion that could have dangerous consequences for Rosie. Zoila struggles to adapt to a big change in her job. Adrian's past actions come back to threaten his happy family.

Rosie adjusts to having Ernesto back in her life. Genevieve makes a heartfelt offer to Zoila. Jesse makes an unexpected discovery and seeks out Marisol to help. Carmen finds a clever way to make Sebastien jealous. Michael becomes suspicious of Taylor.

Marisol struggles with Jesse being both her boyfriend and her employee. Zoila concocts a scheme to get her annoying sister to end her visit. Evelyn pursues her dream of adopting a child. Carmen’s singing career finally gains traction. Rosie is suspicious of the Stappord’s story about Katy.

Zoila and Valentina face a serious decision about their future. Meanwhile, Marisol begins a new business venture, and Carmen insists on being her first client. Blanca struggles with her new employer and discovers a disturbing secret. An unexpected visitor arrives in Beverly Hills.

Carmen unwillingly helps Adrian with his hobby which has dangerous consequences. Marisol worries over her relationship with Jesse. Zoila struggles with her feelings about having a new baby, while dealing with the arrival of her younger sister. Rosie continues to battle with her love for both of her husbands and makes a drastic decision. Evelyn discovers a new desire within herself.

Rosie makes a big decision after Spence starts asking questions about Ernesto's behavior. Zoila learns a disturbing truth about Dr. Neff and tries to warn Genevieve. Jesse clashes with Marisol over her suspicions about Olivia. Evelyn puts Carmen in charge of disciplining her foster son.

Zoila discovers a secret from Genevieve's past. Rosie struggles with having both Ernesto and Spence in her life. Marisol tries to fight her attraction to Jesse. Carmen is outsmarted by Adrian. Taylor reaches her breaking point.

Carmen gets creative when her new boss invites her on a double date. Zoila gets in the middle of Genevieve and her new boyfriend. Marisol discovers a new side of Jesse. Rosie and Ernesto disagree about her working at the Stappord home. Taylor struggles to deal with the aftermath of the police's latest discovery.