Lorraine Pierce and her three year old brother, Jonathan, are driving in the countryside when they are run off the road and into a ditch. With no phone service, she and her brother try to find a house to get some help when the somehow end up in the year 1954. There, they find a family to stay with that has a 26 year old son, Leslie, that served as a MASH doctor during the tail end of the Korean war. As Leslie and Lorraine grow closer, the doctor finds it hard to hide his growing feelings as well as exposing the secrets that Lorraine is hiding from everyone.