Detectives Jake Peralta and Terry Jeffords go undercover at an illegal gambling club to track down the infamous arms dealer Dan "Daniel" Valdano. Captain Raymond Holt, a former gambling addict, insists on coaching them, only to have his own addiction resurface as he gets deeper into the "math" of the game.
Reviewers from Telltale TV and fans on Reddit frequently highlight these specific scenes: [S5E5] Bad Beat
The "Bad Beat" refers not just to the poker term for a strong hand losing to an even stronger one, but to the characters' personal setbacks: Detectives Jake Peralta and Terry Jeffords go undercover