The wedding was about to take place, and Zhou Yijun fell into the whirlpool of choice again. Reunited three years later, the veil of the past is once again unveiled. On one side is her unforgettable lover, and on the other side is the sister she grew up with. What decision will she make? "When you were a child, you shared my toys, clothes, and even my father's love; when you grow up, do you still want to share my boyfriend?"