Jiang Wantang was pushed off a high building by her fiancé Song Linyuan before her wedding. Before she died, she heard everyone singing "Good Days" in their hearts. When she opened her eyes again, she was reborn on her eighteenth birthday and gained the ability to hear other people's inner BGM. She discovered that her father was using her as a bargaining chip for marriage for profit, and the Song family planned to annex the Jiang family and then kill her. Only Song Linyuan's assistant Lu Yan always had "Will you marry me" echoing in his heart. Jiang Wantang used his powers step by step to uncover the Song family's money laundering conspiracy. He teamed up with the victims Lin Xuejian and Lu Yan to expose the truth in public at the engagement party. After the fall of the Song family, Lu Yan proposed affectionately, and Jiang Wantang finally accepted this sincerity. However, on the wedding day, a mysterious text message hinted that her rebirth was no accident, and that a larger chess game was quietly unfolding...
