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A family road trip to attend Meemaw’s 90th birthday party goes off course--thanks to Greg’s newest scheme to (finally!) become famous.
the official version from foxmovies.com on October 31, 2016
Follows Greg Heffley as he convinces his family to embark on a summer road trip to attend Meemaw‘s 90th birthday—so he can secretly attend what he thinks is a nearby gamer convention.
a modified formulation from hollywoodreporter.com on July 28, 2016