When Seok-ryu’s old company presents a promising opportunity, she and Seung-hyo collaborate. Later, an unsettling encounter leaves Seok-ryu rattled.

At 17, Alma is going through a tough time. One day, she shocks her high school with a banner reporting a sexual predator within its walls.

As Seok-ryu adjusts to unemployment, she faces anxiety about her stagnant life. Seung-hyo clashes with his partner after a tense business meeting.

Even as her loved ones ask for an explanation, Seok-ryu hides her vulnerabilities until a confrontation with her mom forces Seung-hyo to come to her aid.

Dissatisfied with the detectives’ conclusions, the Azules conduct their own investigation off the books.

The detectives take drastic measures to find answers. María seeks the help of someone who can offer new insight: a convicted serial killer.

As a serial killer targeting women terrorizes the city, María, Valentina, Gabina, and Ángeles join the first female police force.

When a grad student goes missing after a house party, his friends and family believe he buckled under the pressure of his research grant. But, after consulting with his sister…

Romandía gets pulled into the investigation as the Azules uncover a clue that may reveal the Undresser’s identity.

Colter is forced to team up with his estranged brother, Russell, who enlists his help to track down a former army buddy who’s gone missing after several weeks of paranoid…

Colter journeys into the wilderness of Idaho to help track down the owner of an aerial outfitting company’s missing adult children who were last seen in a plane that took…

María and the other Azules stumble upon a new victim of the Undresser and watch as a man they believe is innocent gets arrested.

Soon-to-be-wed Bae Seok-ryu returns to Korea and runs into her old friend Choi Seung-hyo. But she acts strangely around him, hiding a secret.

When a widower offers a reward to find his only daughter who disappeared three years ago and is presumed dead, Colter agrees to help track her down.

Another Undresser victim is found, confirming the Azules’ suspicions. Their investigation points detectives to a new suspect.