In 1945, Chicago Daily Casablanca reporter Jerry Randolph stumbles upon the diary of her vanished high school friend May Elgar while investigating a series of mysterious disappearances. The discovery reveals that May's father was pursuing a revolutionary scientific breakthrough before his sudden death, leaving behind a functioning time machine among his belongings. Driven to uncover the truth about her friend's fate and the circumstances surrounding Dr. Elgar's demise, Jerry activates the device and travels back to 1916 to follow a trail of criminal activity that may hold the answers she seeks. Armed with only the clues scattered across two decades, she must navigate the past to piece together what really happened.