Argentine history during the 20th century discovered by two teenagers, who investigate the lives of members of four different generations of the Lugones family.
| Actor | Role |
|---|---|
 Martín PiroyanskyAlejandro | Alejandro |
 Nahuel Pérez BiscayartGaspar | Gaspar |
 Rita CorteseBibliotecaria | Bibliotecaria |
| OOsvaldo BayerHimself | Himself |
| JJulia ConstenlaHerself | Herself |
| MMaría Inés Cárdenas de Moner SansHerself | Herself |
| HHoracio GonzálezHimself | Himself |
| NNoé JirikHimself | Himself |
| MMaría Pía LópezHerself | Herself |
 Felipe PignaHimself | Himself |
| PPedro PujóHimself | Himself |
| RRicardo RagendorferHimself | Himself |
 Horacio VerbitskyHimself | Himself |