In 1971, four women defy ultraconservative norms and join Mexico's first female police force—only to discover that it's a publicity stunt to distract the media from a serial killer. As the body count grows, they make a pact to bring the killer to justice.

• Bárbara Mori
• Ximena Sariñana
• Natalia Téllez
• Amorita Rasgado
• Miguel Rodarte
• Leonardo Sbaraglia
• Christian Tappán
• Horacio García Rojas