Lee Seung Gi plays Xuanzang (a Buddhist monk in the novel) who leads and worries constantly about the monsters hyungs (his co-cast members) who don’t listen to him. Lee Soo Geun plays Sun Wukong a monkey character with the greatest sin, Eun Ji Won plays Sha Wujing (a celestial being) who either immature or genius villain, and Kang Ho Dong plays Zhu Bajie (a pig character) with low brain but great strength and appetite.[1] Together, they took a journey to the west (Xi'an, China) while completing various mission to find seven dragon balls which can grant wishes for those who can collect them.  Na Young Suk PD expressed, “The four are too familiar with each other, and they know what each other is thinking just from looking at each other’s eyes. Everyone had a great and fun time during the 5 days four nights trip. We are working hard on the post-production at the moment, so that the viewers can experience the fun that we all had