The three girls, whose philosophy revolves around having a drink after work, are back! The story of An So Hee, a TV screenwriter; Han Ji Yeon, a yoga instructor; and Kang Ji Goo, a YouTuber who does origami, continues as they approach their thirties. However, An So Hee disappears along with her two best friends, and Director Kang—who needs his writer back—embarks on a mission to find her. Where will this lead him, and will he ever find her?