一个女孩和她的男友去自驾游旅行，他们的目标是寻找一座山谷里的大桥，而“初夜”的发生却令她产生强烈的落差感，在旅途中遭遇现实和心灵的双重“迷路。最终，她找回了主动权......A girl and her boyfriend went on a self-driving tour together. Their goal is to find a giant bridge in the mysterious valley. However, the occurrence of “first night“ makes her feel a strong sense of loss. She encounters the “lost“ from both her tour and her soul. Finally, she finds the initiative.