With the southern harbours effectively sealed by the North, Scottish industrialist James Playfair must run a daring Federalist blockade of a Charleston harbour in an effort to trade supplies for cotton and to rescue a young girl's father, held prisoner by the Confederates.

With the southern harbours effectively sealed by the North, Scottish industrialist James Playfair must run a daring Federalist blockade of a Charleston harbour in an effort to trade supplies for cotton and to rescue a young girl's father, held prisoner by the Confederates.