James Gunn directs and co-writes this sci-fi action adventure starring Chris Pratt, Zoe Saldana, Dave Bautista, Vin Diesel and Bradley Cooper as the Marvel Comics superhero team known as the Guardians of the Galaxy. When pilot Peter Quill aka Star-Lord (Pratt) steals a mysterious orb he finds himself the target of the villainous Ronan (Lee Pace) and his allies.

When Quill learns of the orb's powers and the danger it could bring to the galaxy, he teams up with alien Gamora (Saldana), warrior Drax the Destroyer (Bautista), tree-like humanoid Groot (voice of Diesel) and raccoon Rocket (voice of Cooper) in an attempt to prevent a disaster.