In the court of Queen Elizabeth I, Maid of Honour Lady Grace, the Queen's favourite and her very own Lady Pursuivant, investigating intrigues at court. When Grace's fellow Maid of Honour, Lady Sarah, disappears after a trip to meet the Queen's fleet in the docks, Grace knows she has to find out what's going on. She believes Sarah has run away to be married to the handsome Captain Drake - but is she right? With the help of her acrobat friend Masou, Grace leaves the court in disguise in an attempt to track down Lady Sarah and try to save her honour. But this time Grace may be taking on more than she can cope with, as she faces life at sea, and the dangers of pirates! Will Grace and Masou ever return from their ill-fated voyage?
