Watch this episode on YouTube at:
https://youtu.be/YqwBYLVwB4M
Episode 4
The business is up and running again and Ji Soo is showing Gyu Ri the ropes. Gyu Ri puts her own touches on the business model with some successes and failures. The Dean is illegally searching the student's backpacks and Ji Soo stands up for his rights.

Episode 5 (38:30 )
Gyu Ri saves the day but now we see more of the controlling relationship that her mother has with Gyu Ri's life. Gyu Ri recruits a failed boy band singer into the business. The female police officer makes a connection to Min Hee and questions her in private.