Several years have passed since Harold Lee and Kumar Patel were able to escape from Guantanamo Bay. However, the duo have since parted ways. Harold, who now works at Wall Street, has recently married Maria and has his own home now. Kumar is now unemployed and still lives in his apartment he once shared with Harold. After a package for Harold is sent to the apartment, Kumar tracks down Harold to give it to him. However, things quickly go south after Harold's Christmas tree, which was given to him and Maria by her father, is accidentally set on fire. Worried how his father-in-law might react, the duo set out to find a replacement tree. But it being Christmas Eve, it won't be easy finding a good tree.