sentences:  Not knowing that humans cannot live underwater,she took him in her arms and accidentally drowned her lover in an attempt to live with him forever in her submerged palace.Thinking he was only ill, she called on the advice of a mysterious Bi-Wal lookalike (revealed later to be Bi-Wal's brother) who told her to call an angel from Heaven to her pond and use its sacrificed blood to "cure" her lover.The water nymph seizes the opportunity to lure Dong-Young into her home for the sacrifice.