New HBO Series 'DTF St. Louis' Explores Mysterious Dating App

The show starring Jason Bateman, Linda Cardellini, and David Harbour delves into the dark side of a hookup-focused app in St. Louis.

Published on Mar. 2, 2026

HBO's new mystery-dramedy series 'DTF St. Louis' follows the story of a dating app in the St. Louis area that is primarily used by married people looking to have discreet affairs. In the first episode, character Floyd sets up a profile on the app, only to end up dead in a community pool eight weeks later. The show explores the potential motives and suspects behind Floyd's mysterious death, hinting that it is somehow connected to the 'DTF St. Louis' app.

Why it matters

The show's premise taps into broader societal themes around infidelity, the impact of technology on relationships, and the darker side of hookup culture. It also highlights the city of St. Louis, which is not often the setting for major TV series, providing a unique backdrop for the story's twists and turns.

The details

In the premiere episode, character Clark explains the 'DTF St. Louis' app to his friend Floyd as a platform where married people can discreetly find casual sexual encounters without disrupting their primary relationships. Intrigued, Floyd sets up a profile, only to be found dead in a community pool eight weeks later. The rest of the episode sets up a mystery around what happened in those intervening weeks that led to Floyd's demise, with suspicions pointing to either his wife Carol, his friend Clark, or someone he met through the dating app.

  • The first episode of 'DTF St. Louis' premiered on HBO on March 2, 2026.
  • The episode depicts events that occurred over an eight-week period, with Floyd's death taking place at the end of that timeline.

The players

Clark

One of the main characters, a weatherman who introduces Floyd to the 'DTF St. Louis' dating app.

Floyd

The character who ends up dead in a community pool after using the 'DTF St. Louis' app.

Carol

Floyd's wife, who has been taking extra jobs as a sports umpire, which has impacted the couple's sex life.

Richard Jenkins

An actor who portrays a detective character investigating Floyd's death.

Joy Sunday

An actor who portrays a detective character investigating Floyd's death.

Got photos? Submit your photos here. ›

What they’re saying

“So, you meet these people, married people — it's mostly for married people, the reporter was saying — who are very happy and they want to stay in their healthy marriages, but they're also down to like fuck people they've never met before, in St. Louis.”

— Clark (HBO)

“Spice what?”

— Floyd (HBO)

“Spice your life, spice it up.”

— Clark (HBO)

What’s next

The series is expected to continue exploring the mystery surrounding Floyd's death and its connection to the 'DTF St. Louis' dating app in future episodes.

The takeaway

'DTF St. Louis' delves into the complex and often murky world of infidelity and hookup culture, using a unique setting and an intriguing mystery to examine broader societal issues around relationships and technology.