In a winter so cold the Thames freezes over, five couples find a love to warm their hearts. Love unexpected, rekindled, or brand new—even one that’s a whack on the side of the head—heats up the frigid winter. After weeks of fog and cold, all five stories converge on the ice at the 1814 Frost Fair when the ladies’ campaign to help the wounded and unemployed veterans of the Napoleonic wars culminates in a charity auction that shocks the high sticklers of the ton.