本片是一部Music片，由导演，由RM/Jin/SUGA主演。
剧情简介：BTS 4th Muster: Happy Ever After was BTS's 4th Muster fan club event. It took place from January 13, 2018 to January 14, 2018 in Seoul, South Korea.
类型：Music / Documentary
演员：RM / Jin / SUGA / j·hope / Jimin / V / Jung Kook
