The story takes place in 1973, when Holly (Ella Jones Ella Jones) and Marina (Anna Papowell Anna Popplewell) become neighbors, and the two innocent girls soon become the most important beings in each other's lives. they stick together everywhere and are almost inseparable. With the passage of time, the two girls gradually grew up and became graceful beauties. Marina is unrestrained and cheerful by nature. under her guidance and guidance, Holly tasted the sweet taste of love, and the first person who had sex with her was Marina's brother Nate (Cameron Powrie). The male companions around Marina changed again and again, and she had no intention of settling down. Holly soon found that the boys she liked had become captives under Marina's skirt. Sadness, anger, loneliness, Holly had mixed feelings in her heart, and there was a rift in her friendship with Marina.