In the late 1950s, a female undergraduate student of Beijing Broadcasting Institute- Wen Yiqiu falls in love with Vica, a Russian meritorious announcer, and marries him. With relations between China and the Soviet Union worsening, Russia pulls out all Russian personnel and experts from Mainland China including Vica. In order to live closer to her exiled husband Vica, Wen Yiqiu volunteers to work at the Radio station on the border city of Heihe, between China and Russia. Vica goes to work at Blagoveshchensk, which is just on the other side across the Heihe River. During the long and challenging years of separation, they try to stay connected and comfort each other by listening to their voices through broadcast radio. After 20 years of waiting without any hope of reunion, Yiqiu (somewhat reluctantly) marries her colleague, Song Shaoshan. Years later, with the normalization of Chinese-Russian relation, songs of friendship are heard on the radio again. Deeply touched by the love between ...