In "My Mom-in-Law Stole My Baby," the narrator recounts the distressing experience of discovering that their mother-in-law has taken their newborn without permission. Initially, the narrator feels shocked and betrayed, grappling with emotions of anger and confusion. 

As the story progresses, they confront their mother-in-law, who justifies her actions by claiming she wants to help and protect the baby. The tension escalates as the narrator fights to reclaim their role as the baby's primary caregiver, emphasizing themes of maternal instincts, boundaries, and the struggles within family dynamics. Ultimately, the story highlights the complexities of motherhood and the lengths one will go to protect their child.