On the planet Yand live a species of winged humanoids. Yanara is a very powerful female wizard. She and her two spouses, her wife Mandolen and her husband Frost, fight a very savage enemy that came at them from space. The three of them defend their beloved planet against genocide, while at the same time raising their very special and unconventional family. Their star, Yildun, is the second star on the tail of Ursa Minor, below Polaris.