Hal, Kilowog, Razer, and Aya are saved by a different type of Lantern Corps from an invading space monster. Grateful for their rescue, the Star Sapphire Corps, whose power comes from the violet energy of love, invite everyone to their homeworld Zamaron. It turns out, however, that the whole thing was a set-up to drain the Lanterns' power rings by encasing them in crystals. (thetvdb.com)