What the series is and who’s behind it
Something Very Bad Is Going to Happen is an eight-part horror miniseries coming to Netflix this March. The show was created, written, and is showrun by Haley Z. Boston, whose previous television writing credits include Brand New Cherry Flavor and Guillermo del Toro’s Cabinet of Curiosities. Matt and Ross Duffer serve as executive producers through their Upside Down Productions banner, joining producers Hilary Leavitt and Andrea Sperling.
The Duffers’ involvement comes as they prepare to begin a new four-year exclusive deal with Paramount in April, but they’re staying connected to Netflix by backing this tense, atmospheric project.
Premise: a week that unravels a wedding
The story follows Rachel (Camila Morrone) and Nicky (Adam DiMarco) as they prepare for what should be an intimate, dream wedding. The couple heads to Nicky’s family’s secluded vacation home for a week of ceremonies and celebrations. From the outset, however, Rachel is plagued by a persistent dread: she can’t shake the feeling that something terrible is about to happen.
What begins as nervous pre-wedding superstition escalates into a series of eerie coincidences and violent shocks. Boston has likened the tone to a mix of Carrie and Rosemary’s Baby — a blend of psychological dread, possible supernatural forces, and a strand of dark humor and absurdity as Rachel questions whether she’s chosen the right partner.
The teaser: apologies, frozen guests, and mounting dread
Netflix released the first teaser trailer, which leans heavily into sensory horror. The clip centers on Rachel’s walk down the aisle and the recurring, increasingly desperate utterance of “I’m sorry.” That phrase becomes a repeating motif, voiced with rising panic as the ceremony and the characters around her begin to fracture.
Key visual beats from the teaser:
- Wedding guests and family members appear unnaturally still or frozen in time.
- Quick flashes suggest a sinister force at work—whether supernatural, the result of family occultism, or manifestations of Rachel’s paranoia is left ambiguous.
- The footage escalates to a violent moment and a final, bloodcurdling scream, underlining the trailer’s promise: everything is not as it seems, and Rachel is convinced marrying Nicky will end badly.
The teaser leans into atmosphere more than explanation, trading answers for mounting unease.
Cast and directors
The central cast includes:
- Camila Morrone as Rachel
- Adam DiMarco as Nicky
- Jeff Wilbusch
- Karla Crome
- Gus Birney
- Jennifer Jason Leigh
- Ted Levine
- Sawyer Fraser
Directorial duties are split among several filmmakers, including Weronika Tofilska (who also serves as an executive producer), Axelle Carolyn, and Lisa Brühlmann. That rotating director model suggests a tonal variety across episodes while keeping Boston’s through-line intact as showrunner.
What to expect
- A contained timeframe: the story unfolds over the course of a week, providing a compressed, pressure-cooker setting for the horror to escalate.
- Ambiguity between psychological and supernatural horror: Boston’s description and the teaser both tease uncertainty about whether the threats are external forces or Rachel’s inner unraveling.
- A mix of dread and dark humor: the show isn’t pitched as straight-faced terror; expect moments of absurdity and irony woven into the fear.
Given the creative team, the series looks to combine slow-burn tension with sharp visual jolts and family-intrigue elements that flirt with occult or ritualistic explanations.
Release date and where to watch
Something Very Bad Is Going to Happen will premiere on Netflix on March 26. The first teaser is already available through Netflix’s official channels.
Why it matters
For fans of modern prestige horror and for followers of the Duffer brothers’ work, this series represents a continuation of their interest in intimate, character-driven genre storytelling—this time as executive producers shepherding another creator’s vision. Haley Z. Boston’s voice at the center, backed by a strong ensemble and a team of genre-savvy directors, makes this one of the streaming season’s more intriguing horror debuts.

