[From the back cover]:
One Destiny, Four Links!
For years, the might Four Sword sealed away an evil force...until one day, a dark shadow tricked young Link into drawing the sword from its resting place. Now, divided by the swords's curse, the four Links must unite to free Hyrule from darkness!
Using four Game Boy Advance systems, explore the land with up to three friends. Work together, but remember, only one of you can be the true Hero of Light! Fight off countless enemies, but don't let your friends grab all the treasure or you'll be left in the dark.