"After moving back to her hometown and solving her mother's murder, Augusta (Gus) Monet thought she was finally settled. Content for the first time in her life. Done with digging into the past. But it's not to be. Cue hard reset number whatever. When Gus makes a mistake she can't undo, she does the only thing she can: cuts and runs. Packs all her things in the dead of night and takes off. Gus lands at The Ambassador Court, an art-deco apartment building...

In 1963, when his family moves across town to a new school district in Ottawa, Canada, twelve-year-old Rex conspires with best friends James, Kathy, and Buster to attend the school in his old neighborhood.