Spying on the neighbors through the powerful telescope installed on the top of the apartment's balcony, the young writer Roger ate the last slice of the chocolate cake that his mother, Anastacia, had left right next to her typewriter, when suddenly, his eardrums shuddered as he heard the usual "Boom" from Zeca — the corner drug dealer — with his burst echoing through the surrounding buildings at the very beginning of each month.<br/>