Drowning In Revenge

Sirens lure fishermen to the bottom of the ocean, to their death, with their irresistible song. But why do they do it?
Perhaps, it is revenge...
Revenge for a lost daughter,
A sister,
A mother,
But revenge always comes at a cost.

Women are known to be bad luck on ships, which is why it is stated by the law that any woman found on board a vessel must be thrown overboard with their appendages bound.

But it is a little known fact about what happens to them next,
Their legs start to fuse together, their lungs are not needed anymore, and they are reborn with the voice of an angel.