Mr. Shin switches on his revenge mode in order to protect his delivery worker, Lee Si On, in the upcoming episode. Here is everything to know about Shin's Project episode 4, including the air date, preview, spoilers, and streaming details. When she struggles to hold back her tears after encountering an abusive customer, Mr. Shin steps in to help her. Watch Shin's Project episode 4 on tvN on Tuesday (September 23) at 8:50 PM KST. Here are the International Air Timings of Shin's Project Episode 4: