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 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.

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.

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