While filming in New York in February, the crew had to stop because of a nearby shooting. On the 17th of February, a shooting occurred nearby the film set.
While rehearsing the scene where Young Gul (played by Yoo Ah In) is taken away by the police, the real police looking over the set and the production team had to interrupt the rehearsal as a shooting started nearby. They were only told that the shooter's location was unknown.
A staff stated, "For the actors' safety, we immediately sent them to their hotels, and packed all the equipment as quick as we could and left the location with nervousness."
The episode with the scene that they rehearsed will air on the 27th.
