World's End (TV show)

World's End is a CBBC 2015 drama mystery created by Danny Spring and Diane Whitley which premiered on 28 March 2015. It stars Amy Robbins as Stephanie Morelle and twins Carlos and Marco Esparza as her two sons, Noah and Luke.

American-raised twins Noah & Luke arrive with their mother at a remote castle, where they meet Cat Sharpe (Jade Johnson), Gaia Roberts (Pearl Appleby), AJ Javadi (Vahid Gold), Slim Butt (Sam Glen) & Lexy Winters (Sophia Carr Gomm). They soon discover that they are surrounded by mysteries, and their pasts are all connected. Can they discover the truth before it's too late?

The exterior is represented by Bamburgh Castle in Northumberland. However, a map shown in the episode "Divided We Stand" is a modified version of the area around Berriedale, Caithness.

...
Wikipedia