You already have the answer (S01E02)

After a thrilling start, things take a dark turn when Jungkook, the youngest member, falls gravely ill. The Wings tour launches with an electrifying performance in Seoul, Korea, where BTS draws inspiration from their passionate fans. They navigate the hurdles of extensive travel, rehearse in unfamiliar venues, and refine their acts to achieve flawless performances, all while continuing to work on fresh music. However, the demanding schedule proves overwhelming, leading to a concerning situation for the members during their time in Chile...