Title: Siren's Song
Fandom: Buffy The Vampire Slayer
Disclaimer: I own nothing. I bend to Joss Whedon's will and try my best not to murder his characters.
Summary: Prince Alexander was saved long ago and ever since he feels like he is being watched. He even hears strange melodies at times. When a mute man washes up on the shores of Alexander's kingdom, does he hold the key to finding Alexander's savior?
Warning: mermaid/human!Spike, AU
You can find all parts listed here.