Charlie Keller must prove that he can help his mother and sisters survive a Kansas blizzard while his father helps the free-soil settlers in Lawrence to defend their town from proslavery forces.
Charlie, having returned home alone after his father decided to stay in Lawrence, Kansas to help defend the town from pro-slave ruffians, must prove himself responsible when his family is threatened by a snow storm.
While tension over slavery grows in Kansas Territory, causing the Underground Railroad to shut down, and Papa is away, hiding from a false arrest, Charlie and his family risk everything to hide a runaway slave girl in their cabin.
Charlie Keller has trouble feeling at home after his abolitionist father, wanting to cast a vote for freedom, moves his family from Massachusetts to the Kansas Territory which is on the verge of deciding whether to enter the Union as a free or a slave state.