After Lydia put a hit out on Mike Ehrmantraut, Mike traveled to Houston, snuck into Lydia's apartment and threatened to kill her. Lydia begged him to leave her body in the apartment so that her daughter wouldn't think she had been abandoned. On the verge of shooting her, he stopped and asked if she could still get her hands on methylamine ("Madrigal").
Shortly following the deaths of Todd Alquist and the rest of the white supremacist gang, Lydia called Todd from her sick bed in her apartment, expecting him to tell her that Walter White had been killed. Walt answered instead, informing Lydia that he had poisoned her earlier with ricin ("Felina").
- Filming of Lydia's home took place at a private residence located at 1105 Marquette Pl NE Albuquerque, NM 87106.