[S04E14] - 'Code of Silence' - Post-Episode Discussion : r/arrow
The episode ends with a major twist: Damien Darhk kidnapping William to use as leverage against Oliver. Critical Consensus [S4E14] Code of Silence
Reviewers often categorize this as a "filler" episode that is saved by its ending and technical merits. [S04E14] - 'Code of Silence' - Post-Episode Discussion