At his father's deathbed, 14-year-old Jenkin Lloyd is bestowed with one last gift, his father's most prized possession - a longbow that has been passed down from father to son for generations. When Jenkin becomes one of thousands of Welsh boys sent to help King Henry V of England claim Agincourt, a part of France, he strives to honour the skill and power of this weapon, as his father has done before him.

While remaining historically accurate, A Hail of Arrows captures the sights and sounds and emotions felt by a group of boys who were sent into an impossible battle by a vengeful king. Outnumbered by the French, weakened by starvation and dysentery, these teenage archers were key in pulling off an amazing victory against overwhelming odds.