Danny was a baby when his mother was killed in a car crash. Overcome with grief, his father locked him away in a house, telling him the outside world is full of monsters that will spirit him away like his mother.
Amongst the vibrant international community of the eponymous Spanish island, a British and a German detective with very different approaches to policing have a clash of personalities. Despite - or perhaps because of - their very different approaches, the sleuths form a perfect complementary partnership as they seek to solve a new crime on the island each week.
James is 17 and is pretty sure he is a psychopath. Alyssa, also 17, is the cool and moody new girl at school. The pair make a connection and she persuades him to embark on a darkly comedic road trip in search of her real father.