Death in Paradise (2011)

S8E2 The Poison Dart Gun

Jack and his team stumble upon a tangled web of deceit when the owner of a zoo is found dead, having been shot with a tranquilizer dart. As they delve deeper into the investigation, they discover that each potential suspect has a solid alibi, complicating their quest for the truth. With a nest of vipers lurking in the shadows, Jack must navigate through layers of deception to identify the killer before they strike again.