While on the run following a botched heist, the Guardians of the Galaxy encounter a mysterious being known as Ego (Kurt Russell), who claims to be the long-lost father of team leader Peter Quill (Chris Pratt). As Quill learns more about his past, the Guardians battle foes old and new. James Gunn returns to write and direct this installment of the Marvel Cinematic Universe, which also stars Zoe Saldana, Dave Bautista, and Karen Gillan, and features the voices of Bradley Cooper and Vin Diesel.