Bingo Babs, five years after scooping a million-euro jackpot, is living in a faded caravan, nagged by daughters Connie and Ronnie for never splashing any cash. In the BingoDome, she's a local legend, except to Italian rival Valentina, who insists Babs stole her winning ticket.But one morning, Bingo Babs is found on her caravan floor, dead with a head wound, a bingo pad in hand, marked with six dabbed numbers.Maria calls Dennis for help once more, the Spanish police is running short on personnel and thinks him and Rosa might be able to help. At the crime scene, they find untouched teas, no real struggle and a number sequence. Rosa becomes convinced that Babs has sent a message from beyond the grave and builds a ‘Murder She Dabbed' wall back in in The Tavern, linking modern bingo calls to suspects: ‘two little ducks' Connie and Ronnie; Javier, BingoDome's friendly bingo caller; vengeful bingo nemesis Valentina and Bab's loyal best friend Sandra.When several threats arise, as word spreads that Babs's missing fortune may finally be found, Dennis and Rosa realise the clock might be ticking on more than just the investigation.As Dennis follows the money trail, old rivalries and simmering grievances begin to look very different. When a fresh discovery sends Dennis and Rosa racing across Benidorm, they realise somebody may still be willing to do anything to get their hands on the cash. Can Dennis decode Babs's last act before the truth - and the money - disappear for good?