War has devastated the Exo Planet. With the Black Plague bringing ruin to mothers for decades, the twelve princes now of age, try to fight back.

When a solar eclipse takes the twelve precious princes to another world, will they be able to fulfill their quest and find a way to save the their planet?

Jewel Te, an eighteen year old girl, lives a life of secrets. On the summer solstice, when dark magic is stirring, the lives of twelve princes from the Exo Planet are destined to intertwine with that of a special girl's from Earth. Catastrophes will befall on both the Exo Planet and Earth if the two Exo clans do not find a way to work together. If they do not succeed the oncoming darkness will very well destroy Earth and the Exo Planet.

Will the twelve princes be able to save their home, and ours?
Or will the plague succeed in destroying everything?