\\ Greg Heffleys on a losing streak. His best friend, Rowley Jefferson, has ditched him, and finding new friends in middle school is proving to be a tough task. A trailer on Diary of a Wimpy Kid Hard Luck. Greg Heffleys on a losing streak. His best friend, Rowley Jefferson, has ditched him, and finding new friends in middle school is proving to be a tough task. Diary of a Wimpy Kid: Hard Luck. Teaser trailer #6 Check out number 6 of 8 Hard Luck teaser trailers from Jeff Kinney! These teaser trailers, recorded by Jeff .