Romance of two sisters

S1 E3: Almudena come back to her place after spending the night at her sister's place, María José. Almudena and Alfonso are kidnapped. A few hours later, Almudena admits that the cocaine is located in a lock at Benavente's market. She gives them the key in exchange of her freedom. María and Jacobo discover that there was no robbery, and a murderer is on the loose.