The Monster in the Family

 is the fourth episode of the first season of Netflix series Who Killed Sara?.

Synopsis
Rodolfo pays a visit to Álex and learns a shocking detail about Sara's death. Elisa wants Álex to trust her but first she must pass a test.

Plot
To Be Added

Cast

 * Manolo Cardona as Álex Guzmán
 * Ginés García Millán as César Lazcano
 * Carolina Miranda as Elisa Lazcano
 * Alejandro Nones as Rodolfo Lazcano
 * Claudia Ramírez as Mariana Lazcano
 * Eugenio Siller as José María "Chema" Lazcano
 * Juan Carlos Remolina as Sergio Hernández
 * Luis Roberto Guzmán as Lorenzo Rossi
 * Ximena Lamadrid as Sara Guzmán
 * Leo Deluglio as Young Alex
 * Polo Morín as Young José María
 * Andrés Baida as Young Rodolfo
 * Ela Velden as Young Marifer
 * Héctor Jiménez as Elroy
 * Iñaki Godoy as Bruno
 * Fátima Molina as Clara
 * Fernando Sansores as Maldonado
 * Marco Zapata as Young Elroy
 * Martin Saracho as Young Nicandro
 * Julieta Soto Martínez as Elisa Niña
 * Mar Carrera as Lucía Zaldívar
 * Are Rojas as Secretaria César - Ester
 * Terrence Stickman as Abogado Alex
 * Micaela W. Morello as Secretaria Rodolfo - Amanda
 * Mario Diaz Mercado as Juez
 * Oscar Piñero as Sacerdote
 * María Andrea as Imara
 * Karina Díaz as Enefermera Dialisis