Popular comedians, idol singers, webtoon artists, architects, and more, who are trending in their respective fields, couldn't suppress their burning desire to become actors and knocked on the door of <Act Without Hesitation>. Those who had only heard about acting in passing are now struggling to become actors, vying for the benefit of appearing in a real drama... Watch, Feel, Act! This is the real growth story of those who dream of a second life as actors!