23 episodes.
According to the plot of the 23rd episode of Country Love Story, Liu Neng had the ambition of a leader and invited Guo Er, who was known to specialize in treating difficult diseases, to treat Guangkun's ears.
Guo Er's treatment method was very special. Xie Guangkun's family was a little scared, but Guangkun still insisted on the treatment. By chance, Guangkun's deafness was cured.