Three brothers in a utopian queendom have made a pact to share their lovers. In the Pact of Princes serial, each falls in love and tests whether their vow will bind them together or tear them apart. In Silent Siren, when Thane, the champion and middle prince, begins a forbidden affair with Veylin, a mysterious young woman who never speaks, he vows to keep their love a secret. But how long can they go undiscovered and avoid the dire consequences of their sizzling passion?

Lovers on the run… As they traverse an indigo forest together, Thane discovers the dangerous allure of Veylin’s voice. They must avoid their pursuers long enough to reach a safe haven before the dangers of Veylin’s past catch up with them. But how can Thane elude the enemies that hound them when he’s fall under the spell of the Siren’s Song himself?

Gatler is happy that his brother Thane has finally found the woman of his dreams, but wants him to keep a promise from long ago. The brothers had gotten together and decided that they would share their mates so that there were no hard feelings between them. Thane doesn’t seem to want to follow through, but Gatler is definitely ready too. After finally having Veylin, he knows that he needs her to balance him out. Then he finds a lost love from long ago and everything is turned upside down. Lalanc wished that she could end her relationship with Gatler so many years ago on better terms, but at the time it seemed impossible. Now that they’ve met again, can they get over the past?