Since they were children, Alex Fordyce and Irene Bosworth have known that the relationship which unites them is more than mere friendship. However, the tragic death of Alex’ mother makes him decide to join the Brotherhood of Halcón and to move to France, abandoning everything he loves in England. The Brotherhood of Halcón is a secret organisation which fights to defend the British crown. After working for them for five years, the death of his older brother obliges Alex to return to England... But the secrecy surrounding his life has distanced him not only from his family but also from Irene.