It is Never Too Late to Mend (Musaicum Romance Series‪)‬

George Fielding is an honest young man whit no luck or fortune, who dreams of winning the hand of young Susan Merton. Her father, however, doesn't want his daughter to marry a poor farmer, so George leaves to Australia to try his luck there, keeping the contact with Susan through letters. However, a ruthless squire John Meadows becomes obsessed with Susan and sabotages George intercepting letters between lovers and conspiring to have George framed and sent to jail.