The attorney general investigates the courier who delivered the bomb. Dora takes action to keep secret the person behind the murder of Miguel's parents.

Héctor tracks down the ballistics results in his sister's case. Chisca hacks into Valentín's laptop camera. Miguel tests the drug Efilina on himself.

Ishiro is tasked with stealing Adri's and her dad's phones and deleting their incriminating text messages. Miguel learns who supplied Chisca with drugs.