The ocean, Katherine knew she was connected to. After losing her father to death and her sister to a better life,what more could go wrong. Deciding to end her own life in the ocean,she was stopped by a merman. Things started to change when she realized her mother was a mermaid and very much alive in the ocean. Will she go to the underworld to uncover the truth and discover herself or will she be the human waiting for her sister to return?