It's Gabriel's fifth and final year at Crookhaven School for Thieves, and the crew have only one thing on their minds. This year, they must take down Gabriel's parents - the infamous leaders of the criminal organisation, the Nameless - once and for all. How will the crew balance this goal alongside their last year of studies, which includes a new class called Groundwork, and the most difficult Break-in to date: infiltrating Crookhaven itself? Most importantly, can they find a way to lure two of the Underworld's most notorious villains out of the shadows, without anyone getting hurt?