Episode 1
While investigating the link between Nicandro and Dr. Alanís, Álex uncovers a key suspect. Rodolfo asks Álex to help him bring his father to justice.
Episode 2
Sara tells Nicandro's dad about his son's drug business. Reinaldo offers Marifer a deal. Álex secures protection for Chema. Nicandro visits Daniela.
Episode 3
Lucía's arrival takes Álex's investigation in another direction. A new lawyer takes Chema's case. César shows up at Álex's house to reclaim his money.
Episode 4
Álex fights for his life in the hospital. A distressed Chema asks his mom for help. A flashback shows how Sara became the focus of Reinaldo's experiment.
Episode 5
Worried about her treatment, Sara attempts to expose Reinaldo. Chema is admitted to the Medusa Center. César reveals crucial information to Álex.
Episode 6
César pays a visit to Tonya and resorts to a drastic method to get information about Sara. Under Reinaldo's watch, Chema undergoes horrifying treatment.
Episode 7
When the truth of what happened to Sara is finally exposed, Álex unleashes one last act of revenge on the Medusa Center.