"O Sétimo Guardião" is a Brazilian telenovela that aired from 2018 to 2019. The story revolves around a mystical town called Serro Azul, where a secret fountain grants healing powers. The plot follows the lives of the town's residents, particularly the Guardians, who protect the fountain's secrets. The main character, Gabriel, inherits the role of the seventh guardian, leading to conflicts with other townspeople who seek to exploit the fountain's powers. Themes of love, betrayal, and the supernatural intertwine as the characters navigate their destinies while safeguarding the town's hidden treasures.