Although made public, the importance of the coup attempt was downplayed with the cooperation of the main media, in order to avoid raising social unrest.
It is evident that Jaime Milans del Bosch met Colonel Muñoz Gutiérrez, one of the three implicated, in Fuencarral prison.
The plan, codenamed "MN", possibly in relation to the Movimiento Nacional, was to prepare several violent actions against progressive personalities, autonomists and leftists, to culminate later with a great explosion in a block of military houses in Madrid.
Later the chain of command would be neutralized occupying the Captaincy General of Madrid and the center of operations of the Board of Joint Chiefs of Staff.
The strategy of PSOE, that won the elections of the 28 October by absolute majority, was to minimize this conspiracy, attempting to reinstate relationships with a distrustful army.