How many episodes have Li Yusha and Zhang Ma known each other?

Episode 36, who knows who. In the TV series Fireworks, Li Yusha and Zhang Ma are mother and daughter, but due to a series of misunderstandings and contradictions, they did not recognize each other in the previous plot. In episode 36, Li Yusha was in danger of going to jail because of being framed. When Zhang Ma learned about this, she was anxious and tried her best to help her daughter. With the help of Zhang Ma, Li Yusha successfully escaped from danger, and the two also made friends in the process.