What if you yelled “Marco” but no one responded with “Polo”?

That’s the question in a new trailer for Blumhouse’s Night Swim, a new film from James Wan that promises to do for midnight swims what Jaws did for early morning laps in the ocean.

It sees you when you’re swimming. Night Swim image courtesy Blumhouse/Universal Pictures.

Based on a 2014 short film by Rod Blackhurst and Bryce McGuire, Night Swim follows Ray Waller (Wyatt Russell, Monarch), a former major league baseball player sidelined by a disease who moves into a new home with wife Eve (Kerry Condon), teenage daughter Izzy (Amélie Hoeferle) and young son Elliot (Gavin Warren).

Ray persuades Eve that the new home’s disused backyard swimming pool will be fun for the kids and provide the physical therapy he needs to get back into shape. They don’t know (yet) that a dark secret undisclosed by the home’s past owners will unleash a malevolent force upon them that will literally pull the family under.

Don’t stick your hand in the skimmer! Night Swim image courtesy Blumhouse/Universal Pictures.

Night Swim is written and directed by Bryce McGuire (Baghead) and is produced by James Wan, who brought us The Conjuring, Insidious and Saw franchises. Jason Blum, the producer of the most recent Halloween films, The Black Phone and The Invisible Man, also produces. Universal Pictures is distributing the film.

Night Swim dives into theaters on January 5th, 2024.