When dessert chef Casey Feldstein finds out that her late aunt's business, Yarn2Go, has one more yarn retreat scheduled, she decides to host the event despite her complete lack of experience. The retreat is on the beautiful Monterey Peninsula, but the idyllic setting is soured when a retreat regular is found murdered in her room. Feeling a sense of responsibility, Casey begins to weave clues together which may shed light on her aunt's suspicious death.