This book is based on The Foreign Detective's seven years investigation of the Madeleine McCann case.
The first part which is 2/3 is the analysis part, where the statements of the involved parties are scrutized and completely destroyed.
The lies of the faked abduction on May 3rd of 2007 will be exposed, and the evidence that Maddie died in the apartment the night before will be thoroughly laid out.
The author will also reveal where the body was temporarily hidden till it was moved to the hill East of Praia da Luz by using the car the parent rented three weeks after the alleged disappearence. the cover up of the accident inside the apartment is also discussed and revelaed in this book.
The last 1/3 of the book The Foregn Detective shares his foot on the ground investigation where he found plausible areas for Maddie's grave. He looked for symbols and put up trail cameras where interesting people showed up. He then started a cat and mouse game with the parents to trick them to the area so he could narrow down and get closer to the place he believes they buried their daughter. Truth stranger than fiction is a good description of this last part of the book.
The author's investigation confirms the conclusion of the Portuguese police except the timeline. This is the key thing about the case, the WHEN.
The author claims to have solved the four big questions in this case.
1) When Maddie died.
2) Where she was temporarily hidden.
3) When she was moved to her final burial spot.
4) Where the area and which likely spots it could be