Ratings dropped after the main actress' replacement, and the plot deliberately focused only on the "Complices" title band following the good amount of albums sold.
Producer Rosy Ocampo decided to increase the series after it became a hit. Belinda Peregrín could not complete her new schedule and was then replaced by Daniela Luján for the last 40 episodes.
The final episode reveals the face of the twins' stunt double.
The twins' stunt double was noticeably taller than Belinda Peregrín, so one twin was always visibly taller than the other always when she showed up from her back.