When the going gets tough, the tough get going. But what if sooner or later, we hit a ceiling and can’t soar any higher? For Ho-Ji Park, a young sports climber with grand ambitions, it’s difficult to accept that our limitations are set in stone. When her mother passes away from a tragic accident, Ho-Ji begins to see a literal manifestation of her limits in the form of a dark barrier across the sky. Years later, together with former climbing idol A-Seong Chae, Ho-Ji begins the ultimate climb of all– the ascent past all limitations. (Source: WEBTOONS)