When a group of boys accidentally stumbles on Gisborne's weapons testing site, all but one is taken prisoner. When the alarm's raised, Robin hatches a plan. But with Gisborne armed to the hilt in an indestructible suit of armour, a rescue attempt is more difficult than it might first appear. Robin must think fast if he's to save a boy's life and stop a vital part of the Sheriff's war machine...
Casts:
Jonas Armstrong, Keith Allen, Richard Armitage, Sam Troughton, Gordon Kennedy, Joe Armstrong, Harry Lloyd, Anjali Jay, David Harewood, Lara Pulver, Joanne Froggatt, William Beck, Lucy Griffiths