After six years together, Su Wan survives an accident that wipes Lu Jingchen from her mind. Mistaking her confusion for stubbornness, he gives her time, unaware that every attempt to remember leaves her in agony. She walks away to build a future without him. Years later, their paths cross again, and Lu Jingchen discovers he is a stranger to the woman he never stopped loving. Determined to win her heart anew, he patiently shares the moments they once cherished. Su Wan falls for his warmth despite the missing pieces, until a life-threatening crisis restores the memories she buried, including the joy and heartbreak they shared. This time, she refuses to lose him.