Marco, a young Italian boy, is searching for his mother across Latin America after her letters mysteriously stop arriving. On his travels Marco encounters people who care for him and help him along his way; however, he must also face the evils of the adults who care for nothing but themselves and decide to take advantage of his situation.
| Actor | Role |
|---|---|
 Rumi SakakibaraAnna (voice) | Anna (voice) |
 Chieko HiguchiMarco (voice) | Marco (voice) |
 Takayuki SugoPietro (voice) | Pietro (voice) |
 Osami NabePeppino (voice) | Peppino (voice) |
 Urara TakanoPablo (voice) | Pablo (voice) |