Gretchen returns to her hometown with son Ethan and meets her new neighbor Melissa under unusual circumstances. Melissa's mother has passed away, and the two form a reluctant friendship when Melissa discovers she has a sibling she never knew about. Through their detective work, Gretchenn and Melissa grow closer and uncover a huge surprise that will change everything.

From the town of Bedrock, modern stone-age family Fred and Wilma Flintstone and their goofy best-friends and neighbors Barney and Betty Rubble comically trudge through prehistoric daily lives.