Gu Nanxi has been dependent on her grandmother since she was a child, but her grandmother was seriously ill. Gu Nanxi was recognized by her biological parents when she became an adult. Her parents threatened her grandmother's life and forced Gu Nanxi to marry Lu Tingfeng. As they got along day by day, the two opened up about their hearts, but Gu Nanxi discovered the secret of their marriage. The two faced unprecedented challenges. An accident made the two understand their respective intentions. At this time, Gu Nanxi was also pregnant, and the two finally got together.