After reconnecting with some old college friends on social media, part-time dessert chef and muffin maker Casey Feldstein has gotten herself roped into hosting a knitting retreat for the group. Casey watches in dismay as the women arrive and their old personalities and old grudges come trickling to the surface. But she discovers these are the least of her problems when one of the women is found dead. With everyone a suspect, Casey knows she ll have to start stitching together clues to uncover the culprit. And as long-held secrets start emerging, she begins to suspect that each of the women may have had a motive for murder.