As the tide rises and falls, María de los esteros spends her life in the mangroves, groping in the mud, looking for shells, digging up memories. She is joined in the task by her memories and the singing of her deceased friends who are still digging up shells.
| Directing | Eugenio Gómez Borrero | Director |
| Writing | Eugenio Gómez Borrero | Screenplay |
| Crew | Juan Pablo Marín García | Cinematography |
| Editing | Jose David Molina Hernández | Editor |
| Editing | Eugenio Gómez Borrero | Editor |
| Production | Eugenio Gómez Borrero | Producer |
| Production | Gerylee Polanco Uribe | Associate Producer |
| Production | Elicenia Ramírez Vásquez | Production Coordinator |
| Art | Jose David Molina Hernández | Art Direction |
| Costume & Make-Up | Isabel Descamps Rivera | Costume Design |
| Sound | Sergio Gutierrez | Sound |