stiles and danny are cousins

The adventure of prince stiles and Danny as merman cousins their on the run from the merman\mermaid hunter they been on the run for all their life they're apart of the hale pack the pack doesn't know about them but the might have to tell them if they want to survive the mermaid\merman hunter coming to town they have these matching necklaces to hide their true self and protect them against water if the get wet