What episode is Ma Dashi's revenge for Cousin Pu?

What you want to ask is which episode is Ma Dashuai's revenge for Brother Biao? The fourth episode.

In the fourth episode, Fan Debiao's eyes were swollen by his accomplices because of the principle of not pulling a small clinic when he was seriously ill. Then I asked Ma Dashuai to avenge me. Ma Dashuai pretended to be hemiplegic and went to treatment, and then reported to a small clinic.