Mariana Cantú and Silvana Del Valle are twin sisters who were separated at birth. After 11 years, the twins meet again and Silvana proposes to Mariana to be part of 'Cómplices al Rescate'. Together they will learn about friendship and love.

Violeta lives with her uncle because her mother died soon after she was born and she never knew her father, she stays with her grandmother from time to time as well. Violeta has a boyfriend named Ángel who gives her a pet dog. While at her grandmother's house, Violeta discovers a time machine that her grandfather built, so she and her friends travel to different time periods. They visit several important events in Mexican history, learning these stories firsthand.

Based on the novel by Carlos Trejo, supposedly based on true events, the film retells the story of a group of friends that played the Ouija one night together and started to die one by one in mysterious ways. The only survivor was the real-life author, Carlos Trejo.