You Shall Not Lie: Season 1

Macarena, alone and terrified, sees a lifeless body on the Belmonte cliff. Since a sexual video with Iván, one of her students, was made public, she has become the public enemy, she has lost her job and her family turns their back on her.

The scandal of the sexual video shakes Belmonte. Yolanda tries to manage the crisis between Macarena and Ana, Iván's mother, and discovers a secret from someone in her family. Also, someone tries to link Macarena to the death of the cliff.

Macarena receives a visit from Iván. Ana sees her friend for the first time since the video appeared. Macarena has a suspicion and asks her brother Sergio for help. On the other hand, Yolanda discovers her husband's secret.

Macarena arrives at Maite's boat looking for a friend, but she finds that there's Iván. Maite arrives at the port and her boat is missing. On the way back, they tell totally different versions of what happened. Who tells the truth?

All of Belmonte is affected by what happened with Iván, especially Yolanda, who brings up things from the past. Arturo tries to solve his economic problems. Macarena finally confesses to her husband Néstor.

The night of the Autumn Festival arrives at school. Iván escapes from the hospital and waits for someone on the cliff. Macarena makes a final decision regarding her future and Yolanda decides to overcome her past monsters.