In Korean tradition, dreaming of rescuing someone is read as auspicious. It is most often tied to 전반, 가족.
Rescuing someone is virtue stored up, returning as help or renown. Failing to save them, a task beyond one's strength.
Tradition reads the symbol as an omen; psychology reads the same dream as a mirror of your present state. Describe your dream and both readings appear together. Interpret your dream