On the verge of death on the medical operating table, Su Li awakens her past life memories, confirms the node of rebirth, sees through Zhou Manrou's initial frame-up, and hatches a revenge plan. Triggering a series of memory recovery, Su Li one day discovered that she was a "clone". Friends who looked like her appeared around her (Xiao Jiu and Ah Liu), and she also picked up a baby No. 75 With a rose birthmark on her chest. It turns out that there is a bad woman named "Prototype" who wants to capture No. 75 To resurrect her master Lin Xiuya. Su Li and her friends protect No. 75 And find a way to defeat the prototype. In the process, she gradually recovers her childhood memories and discovers that her mother Liu Yue has long left clues to defeat the villain.