Basement Games tells the story of Laura, a young traveling photographer who, while traveling in southern Chile, is kidnapped by some brothers who live in a rural town, unleashing a horrible ordeal at the hands of her captors.

Mirubin, the enigmatic masked, stands up against the inefficient justice. He dares to put up against the government, punishing pedophiles. It is a personal war. Does it make Mirubin a criminal? The journalist Amira is determined to uncover the truth behind the mask. The search leads her to doubt whether she is on the right side or not.

Four friends visit a rural locality of Chile, are brutally attacked by a man and his son. After not finding help in the town, they decide to confront these men with the help of a pair of policemen. But in this way, they will discover that their attackers have in their blood the direct legacy of the darkest period of Chilean history and will have to face the most brutal enemy.

Three friends are part of a fascist opposition group in the chaotic Chile of the early 70's and together commit a political crime that changes the history of the country and incidentally involves them in a betrayal that separates them forever.