Detective Samson O'Brien is ready to settle down to a nice cup of tea, but it's not long before he's called on for help with a new case. In order to execute a recent will, solicitor Matty Thistlethwaite requires a copy of a death certificate for a young woman who died when Samson was a child. It should be straightforward, but things in Bruncliffe rarely are. Particularly when Matty insists that Delilah Metcalfe, with her wealth of local knowledge, works alongside Samson on the sensitive investigation.

Samson O'Brien has been dismissed from the police force and returns to his hometown of Bruncliffe in the Yorkshire Dales to set up the Dales Detective Agency while he fights to clear his name. However, the people of Bruncliffe aren't that welcoming to a man they see as trouble. Delilah Metcalfe, meanwhile, is struggling to keep her business, the Dales Dating Agency, afloat - as well as trying to control her wayward Weimaraner dog, Tolpuddle. Then when Samson gets his first case, investigating the supposed suicide of a local man, things take an unexpected turn.

A fatal accident at Bruncliffe’s livestock auction mart leads to a call for detectives Samson O’Brien and Delilah Metcalfe. What starts as a simple health-and-safety investigation soon takes a sinister turn when they discover evidence that suggests murder. Clive Knowles approaches them for help – his sheep are being threatened by the gang of rustlers that is plaguing the Dales. Meanwhile, poacher Pete Ferris has also decided to play his hand, setting in motion a blackmail plot which will ensure Samson is pulled back into trouble with his nemesis Rick Procter.

Date with Poison is the brilliant fourth novel in Julia Chapman's Dales Detective Agency series and is perfect of fans of M C Beaton's Agatha Raisin series and Gervase Phinn. A young teenager has gone missing. Can Samson O'Brien and Delilah Metcalfe find him? Spring is in the air in Bruncliffe. But not everyone is filled with the joys of the season. Implicated in the murder of a man in Leeds, the Dales Detective Agency’s Samson O’Brien is facing tough questions from the police....

Death is coming to Bruncliffe; its target is Samson O’Brien. Oblivious to his impending date with fate, Samson is busy juggling a number of cases at the Dales Detective Agency. Too busy, in fact, to notice his partner behaving oddly. Because Delilah Metcalfe knows what is coming. A hitman. Sent from London with one objective: to finally silence the troublesome O’Brien before his corruption case can make it to court.