After a car accident, Song Qiaoyi loses her memory and wakes up married to her best friend's boyfriend, Shi Jifeng, with a daughter. Amid accusations, misunderstandings, and hidden truths, she struggles to uncover the past. With help from old and new friends, she faces family betrayal and reveals the real killers. In the end, she regains her memories and finds happiness with Shi Jifeng and their daughter.