A scientist invents a pill to cure smokers of their nicotine addiction. However, when he makes his discovery public, he encounters strong resistance from the tobacco industry.
Tom Masterick, a dock worker, is wrongfully convicted of a murder charge. His death sentence is commuted to a long prison term. When released as an old man, he vows to find the real killer.
Competition between Dick, whose father runs a riding school, and expects to win the local gymkhana, and the baker's children who teach their van pony to jump.