When Sackboy tumbles through a wormhole into the surreal realm of Bunkum, he encounters Newton, an earnest lightbulb creature who reveals a dire threat: three ancient Titans, imprisoned long ago by Bunkum's heroes, are on the verge of breaking free and devastating the world. Recognizing that preventing catastrophe will require more than courage alone, Sackboy must journey across Bunkum's bizarre landscapes to find and awaken three legendary protectors—Oddsock, a swift climber; Toggle, who manipulates his own size; and Swoop, a creature of the air—each bringing unique abilities to the looming confrontation. As the Titans' power grows, Sackboy and his unlikely alliance must navigate ever-stranger challenges to gather their strength and prepare for the battle ahead.