Widowed Elinor Randall and her young daughter Jerrine arrive in a barren stretch of Wyoming in 1910 after Elinor's application for work as a housekeeper is accepted by Clyde Stewart, a rancher.

Ever since they were sent into World War I battle in 1918, Sergeant Pepper and his Lonely Hearts Club Band of Heartland, USA, have been spreading the message of joy and love to the world ...