Sarah Hawthorne, a 34-year-old Physician's Assistant from Seattle, Washington, is trying to navigate life after divorce. Nights alone and TV dinners have Sarah questioning everything she expected from her new independence. In a bid to rediscover herself, she takes her therapist's advice and embarks on new hobbies, including hosting friends' nights and trying her hand at home repairs in her new fixer-upper. While attempting to fix a loose floorboard, Sarah stumbles upon some shocking evidence linked to a string of cold cases involving seven women who vanished without a trace thirty years ago. The discovery ignites a curiosity to uncover the truth behind the disappearances. Sarah teams up with the stoic Detective Chris Redding, who hides his feelings beneath a protective shell, while also concealing his own connection to the cases. Together they reveal a web of secrets that challenges everything she thought she knew about herself - and her family.