Sherbet, a girl from a noble family, is forced to marry a man she has never met. She decides to escape this fate and joins a cruise that sails through the sea of mist, a place full of legends and secrets.There, she meets several interesting characters, such as a pirate captain, a runaway princess, a curious mermaid and a cruel empress. She also discovers that the cruise is actually a ghost ship that takes the souls of the dead to the next world.She will have to face various dangers and challenges to escape the ship and find her true love.