The Blue Chest of Arabella King (S01E12)

Arabella King, a distant relative, was left heartbroken at her wedding, leaving behind her beautiful attire in a chest that has sat untouched in the King Farm kitchen for years. Intrigued, Sara and her cousins, Felix and Felicity, try to convince the adults to unlock the chest. After they learn of Arabella's passing, the chest is finally opened. Aunt Olivia, who has started a job at the newspaper, uncovers a captivating story among the chest's contents. With assistance from Sara and Jasper Dale, Olivia unravels an old mystery and finds a budding connection with Jasper along the way.