The three young masters, who were born into wealthy families, gave up their rights, wealth, and lives for their vague first love, just for the innocence in their hearts. In this evil society, they step into darkness, toward the point of no return, and lose their prime years. In the face of two true feelings, what choice will the heroine make? After the rain, the sky clears, and everything is just like bubbles, disappearing in midsummer.