Green Lantern: First Flight (2009)

Green Lantern: First Flight finds Hal Jordan recruited to join the Green Lantern Corps and placed under the supervision of respected senior Lantern Sinestro. The earthling soon discovers his mentor is actually the central figure in a secret conspiracy that threatens the philosophies, traditions, and hierarchy of the entire Green Lantern Corps. Hal must quickly hone his newfound powers and combat the treasonous Lanterns within the ranks to maintain order in the universe.