When an expectant mother arrives at Mercy Hospital in search of her missing husband,Evelyn and her friends agree to help her find him.Their one clue is a postcard depicting the Mercy Angel statue telling the soon-to-be mother that her FBI-agent husband was in Charleston recently.But everything changes when the baby arrives early-and the absent father is accused of embezzlement. Meanwhile Evelyn is digging into one of the Civil War’s most famous events,the Combahee River Raid led by none other than Harriet Tubman.The role of a viliant river pilot has long been obscured in the mists of history.Can Evelyn prove his heroism so he can be added to a local museum’s list of Freedom Fighters?