Lance is an Altean witch that Honerva is training as her protege. Similarly Kolivan is training Keith who is his son here to take over as the leader of the blades. They get caught on opposing sides of sorts but they just can't seem to hate each other and they stop fighting their feelings for each other but the Alteans don't want Lance to be in love with a Galra and Kolivan doesn't want Keith in love Since their feelings for each other keep interfering in their training and on missions