Dennis, a burned-out ex-police officer hiding behind a failing Scottish pub in Benidorm, meets Rosa, an actress obsessed with crime shows, and together they solve mysteries. In their first case, a Take That tribute act is the big draw at the Hotel Ahora when 'Robbie' announces he is quitting the band and running off to Faliraki with the hostelry manager's daughter. However, when the singer's body is found floating in the hotel pool, Rose and Steve are convinced there is more to the case than meets the eye.

At her hen party, maid of honour Megan humiliates shy bride Leona and their friends before revealing a luxury villa. When they reject her plans, she storms off alone. By morning, a murder shocks the resort, forcing detectives Rosa and Dennis to untangle old resentments, loyalties and deceptive appearances.