Apple TV+ unveiled its thrilling new trailer for Calls today— a series featuring a star-studded cast that’s sure to leave you on the edge of your seat.

Described as a “groundbreaking, immersive television experience,” Calls is based on the French series of the same name. Unlike a traditional television series, the new Apple Original uses audio and minimal abstract visuals to tell its story. Those interested can get a small taste of what’s in store when the series hits Apple TV+ by checking out the trailer below.

Comprised of nine bone-chilling short form stories, each episode follows a mystery that starts unravelling through a series of what seem to be average, and unconnected phone calls on the surface level. As the calls progress, however, it’ll soon become clear that there’s there’s more at work as characters’ lives are thrown into growing disarray.

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Watch the first trailer for Calls below!

Voices you can expect to hear when Calls debuts on Apple TV+ include those of Lily Collins, Nicholas Braun, Clancy Brown, Mark Duplass, Karen Gillan, Judy Greer, Paul Walter Hauser, Danny Huston, Nick Jonas, Riley Keough, Joey King, Stephen Lang, Jaeden Martell, Paola Nunez, Pedro Pascal, Edi Patterson, Aubrey Plaza, Danny Pudi, Ben Schwartz, Aaron Taylor-Johnson, and Jennifer Tilly.

Behind the camera, the series was created in association with CANAL+, Studiocanal, and Bad Hombre.

Calls debuts worldwide via Apple TV+ on March 19.