Peter Quill is an adventurer hunted by bounty hunters everywhere for stealing a mysterious orb coveted by the powerful Ronan, whose actions threaten the entire universe. When he discovers the true power of the orb and the threat to the galaxy, he forms a fragile alliance with four disparate aliens: Rocket, a sharp-shooting raccoon; Groot, a tree-like humanoid; the enigmatic and deadly Gamora; and Drax the Destroyer, who longs for revenge. By rallying them to his cause, he convinces them to fight a final battle, however desperate, to save what can still be saved…