A documentary that revives the memory of the Technical Industrial School of Santa Maria through the voices of former teachers and retired staff, revealing not only how these individuals helped shape and strengthen the institution, but also how CTISM marked and transformed their lives, intertwining individual destinies and collective memory into a living portrait of technical education in Brazil.
| Actor | Role |
|---|---|
 Adalgisa da Silva Floresherself | herself |
 Claudio Rodrigo Nascimentohimself | himself |
 Anilo José Wathierhimself | himself |
 Maria Inês Bolsanherself | herself |
 Myreya AntunesInterviewer | Interviewer |
 Alexandre Forteshimself | himself |
 Stéfani Piovesanherself | herself |