11-year-old twins Jess and Matt have lived with their upbeat Aunt Emma ever since their parents mysteriously disappeared six years ago.Jess is serious and studious; Matt is fun-loving and doesn’t care much for school… But they have one thing in common: They desperately want to know what happened to their parents.When Matt’s friend Jax mentions the Dark Watchers, mysterious shadowy figures who appear at dawn and dusk in the Santa Lucia Mountains, Matt’s brain starts whirring...