Written from Eddie's point of view, the many conflicts are seen through his naive and simplistic view of the world around him. In contrast, Ada brings a more realistic, assertive approach to the perilous twists and turns they encounter while the presence of a deeply entrenched mole within their group of confidants keeps the reader guessing his identity. Ultimately, Ada, Eddie, and their cohorts successfully bring down an unscrupulous British government official, and in a shocking finale, the enemy's unthinkable retribution is disclosed