The Lasa and Zabala case was the first act committed by the GAL in 1983. Felipe Bayo (Oriol Vila, Snow White) and Enrique Dorado (Ricard Sales, Good voice) are two police officers who, following the orders of General Rodríguez Galindo (Francesc Orella, Feral children) kidnapped two members of the terrorist group ETA, Jose Antonio Lasa and José Ignacio Zabala.

The Civil Guards led the terrorists to the palace of La Cumbre, in San Sebastián, where they were tortured and interrogated. Later, they were murdered and buried in a town of Alicante, where his remains discovered in 1985.