Currently the Green Lantern Corps are at war with the Red Lanterns. And now, veterans Hal Jordan and Sinestro, will have to train to train the new recruit "John Stwart".
At the end of the film, Sinestro is disappointed with guardians, for wanting peace, but always in conflict and never doing what is necessary to end conflicts in the galaxy. Because of this he abandons Hal, Jonh and the Troop.
Mid credits scene: Sinestro makes and puts on a new ring, made from yellow energy.
Post Credits scene: Hal, Jonh and others Members from the Troop, goes to a mission to protect Mars from a attak from Apokalipse.
