Ingrid Thorburn is an unhinged social media stalker with a history of confusing "likes" for meaningful relationships. Taylor Sloane is an Instagram-famous "influencer" whose perfectly curated, boho-chic lifestyle becomes Ingrid's latest obsession. When Ingrid moves to LA and manages to insinuate herself into the social media star's life, their relationship quickly goes from #BFF to #WTF.

A Heffley family road trip to attend Meemaw's 90th birthday party goes hilariously off course thanks to Greg's newest scheme to get to a video gaming convention. This family cross-country adventure turns into an experience the Heffleys will never forget.