Tiberian Twilight is the last episode of the Tiberium saga, involving Kane. Global Defense Initiative (GDI) and Brotherhood of Nod are still at war. However, the alien faction Scrin is no longer on the war-zone, all they have left on earth are the Scrin Tower. After Kane's last mission on earth he will finally ascend and leave our planet with his Nod believers. Tiberium growth according to Kane will also disappear. However, Kane needs your help to activate the last Scrin Tower so all this can end once and for all.
—Jesse