At the end of the chapter and before credits, there is a sentence: Todo se vale cuando la prioridad es el contrato. Which means: Anything goes when the priority is the contract.
This is a quote from a fictional book "Matar Bien para Vivir Mejor" (kill well to live better) from an unknown (and also fake) author.
This is a quote from a fictional book "Matar Bien para Vivir Mejor" (kill well to live better) from an unknown (and also fake) author.