When livestream host Lin Wanqing fails to respond in time to her peanut-allergic daughter Guoguo outside the door during a livestream, a chain of turmoil ensues. With the help of lawyer Gu Cheng'an, she fights back against the livestream company's attempts to shift the blame and its hidden pursuit of profit. She confronts her own failings as a mother, navigates a custody battle, and grows through self-reflection, gradually rebuilding trust with her daughter and protecting her sense of security.