When Prince Len, Admiral of the Royal Navy and third in line to the throne of Endalia, finds himself framed as the mastermind of someone else's political takeover, he struggles to figure out which of his allies he should really be trusting. Little does he know that his salvation would come from an unexpected place - Pirate King Rath, the one man Prince Len swore he would arrest and reform someday! But in exchange for such an impressive rescuing, what will the King ask from his beloved Prince in return?