During the summer solstice, he studied alone in a foreign country full of love for Lu Yuesheng. Experienced a person's loneliness, loneliness, hard work and perseverance. Time has turned her into a mature and generous little woman. She never lacks admirers, but she is infatuated with only one person. She was walking the same path he had walked. Following his figure, the more reluctant I am to let go of this unknown love. In these seven years of study, can I withstand the intense test of time and distance, and can I achieve a happy ending?