[s4e14] Code Of Silence -

[S04E14] - 'Code of Silence' - Post-Episode Discussion : r/arrow

Team Arrow faces the "Demolition Team," a group of HIVE mercenaries attempting to destroy the venue for the mayoral debate between Oliver and Ruvé Adams. [S4E14] Code of Silence

Curtis presents Felicity with an implantable microchip designed to potentially cure her paralysis—a scene noted as a highlights of the episode. [S04E14] - 'Code of Silence' - Post-Episode Discussion

Thea discovers Oliver’s secret child, William, but surprisingly supports Oliver’s decision to keep it from Felicity. [S4E14] Code of Silence

Reviewers often categorize this as a "filler" episode that is saved by its ending and technical merits.