Dorothy, hoping for a quiet birthday with her children Miley and Ryan, prepares a special dinner. As she sets the table, she’s reminded of the past—a photo of happier times, now haunted by an empty space where someone used to stand. Hours pass, and her children don’t arrive. Worry creeps in as she repeatedly calls, but they don’t answer,

Finally, a courier arrives with a mysterious cake, bearing the chilling message: “We Know What You Did.” This triggers old memories and buried guilt, forcing Dorothy to confront the painful truth. She drives to Miley’s house, only to find out they’ve gone to the lake, a place tied to dark memories.At the lake, Dorothy encounters her ex-husband Robert,