On Arus, Allura has another conversation with the spirit of her father, King Alfor. Unfortunately, a third person is also on hand – Haggar. The witch doesn't intend to forgive and forget her past with Alfor. Instead, she goes on the attack and Alfor's spirit is magically merged with her latest creation – the Crystal Robeast. As this monster begins a rampage, the Voltron Force have a difficult choice to make – sacrifice Alfor's spirit or let the Crystal Robeast fun free. Before it comes to that, though, Allura tries to reach out to her father one last time