In the early hours of New Year's Day, seven-year-old Samantha and her next door neighbor, Remy, watched as a man broke into Sam's home and lifted her younger sister, Turtle, from her sleeping bag, taking her away forever. Remy and Sam, too afraid to intervene at the time, later identified the man as Sam's sister Gretchen's much older ex-boyfriend, Steven, who is sent to prison for Turtle's murder.

Ten years later, Sam's shattered family returns to her childhood home in an effort to heal. As long-buried memories begin to surface, Sam wonders if she and Remy accurately registered everything they saw. The more they re-examine the events of that fateful night, the more questions they discover about what really happened to Turtle.