Francisco Tenório Cerqueira Júnior, born in Rio de Janeiro, was one of the most recognized musicians of the samba-jazz movement. At 3 a.m. on 18 March 1976, after giving a concert at the Gran Rex in Buenos Aires, the 34-year-old pianist went out to get some cigarettes. He was never seen again.

What happened that night? This is the question that moves the narrator of this documentary graphic novel to initiate an investigation into the fateful events that led to the death of a musician destined to change the course of Brazilian music forever.