The faithful are given advance warning (via a TV broadcast) that demons are going to be unleashed on Earth during an upcoming lunar eclipse.
| Release Date | June 8, 2003 | |
|---|---|---|
| Status | Released | |
| Original Title | El secreto oculto | |
| Runtime | 1h 56min | |
| Budget | — | |
| Revenue | — | |
| Language | Spanish | |
| Original Language | Spanish | |
| Production Countries | Mexico | |
| Production Companies | Digital Post S.A. de C.V. | |