Death in Paradise (2011)

S14E4 Episode 4

During an exclusive tasting event, the owner of a rum distillery collapses after consuming his own premium spirit, leading to suspicions of foul play. The investigation takes a puzzling turn when it is discovered that every attendee sipped from the same bottle. As the detectives delve deeper, they must unravel the enigma surrounding the seemingly shared experience that left one man dead and everyone else wondering who could be behind the poison.