To save her son, Priscilla must become an assassin. Implanted with experimental technology, she is thrust back into the body of her 21-year-old self during a remote hiking trip. Her target is Alton Strattford—her window is a mere four hours. As she navigates the familiar terrain of her youth and the painful dynamics of old friendships, every second counts. One misstep could end her mission; one moment of hesitation could mean failing Jacob forever.