Hong Kong writer Tian-Yu, embroiled in a plagiarism controversy, embarks a solo trip to Taipei, seeking solace at the mysterious "Bay of Vanishing Whales" in Taiwan. He unexpectedly befriends A-Xiang, a warm-hearted local gangster. Despite initial doubts, Tian-Yu, drawn to the Bay, joins A-Xiang on an adventure. In A-Xiang's company, Tian-Yu finds inspiration. The smile of A-Xiang lightens Tian-Yu's heart. However, the much-anticipated Kenting Fireworks Festival takes a disappointing turn due to A-Xiang’s absence. Back in Hong Kong, Tian-Yu grapples with moving forward but remains haunted by lingering regret. One day, he realizes that his meeting with A-Xiang is destined, not by chance. With renewed hope, Tian-Yu returns to Taiwan, eagerly anticipating a meaningful reunion.