As punishment for the vanity of Cassiopeia, who thought herself more beautiful than the Neriads, Poseidon, god of the seas, sent a monster to the kingdom of Ethiopia. Its fury could only be detained if it received Cassiopeia´s daughter, Andromeda. This painting illustrates the moment when Perseus frees Andromeda from her bounds. He is in love with her, as is made clear by the presence of Cupid wit