In the late 1980s, a 17-year-old girl named Kat Connors grapples with the sudden disappearance of her mother, Eve. Before her vanishing, Kat had a strained relationship with Eve, who was beautiful yet troubled and often clashed with her family. Kat's father, Brock, is a reserved and passive man who seems increasingly disconnected from their lives. As Kat navigates through her last years of high school, she seeks solace in the arms of her boyfriend Phil and her best friends Beth and Mickey. Despite the turmoil at home, Kat adapts to her new reality, initially brushing off her mother's absence as a result of her erratic behavior.

Over time, Kat starts experiencing unsettling dreams about her mother, prompting her to question what really happened. Her curiosity grows, and she becomes more observant of the people around her, including Brock and a local detective named Scieziesciez who is investigating the case. As she digs deeper into the mystery, Kat unearths secrets about her family's past that challenge her perceptions of love and trust. The story unfolds as she wrestles with coming-of-age issues intertwined with the shadow of her mother's enigmatic disappearance.