Willibit and his family, and Lillibit are helping the Bakeabits preparing the pastries and cakes for a wedding. All is going along fine except that for some reason the mill seems to be slowing down. Mr. Bakeabit and Mr. Grumpabit investigate and discover that the reason is because the stream that powers the mill is slowing down to a trickle.
הקטקטים עסוקים בטחנת הקמח של מר חבס, טוחנים קמח ואופים עוגות. לפתע מפסיקים המים לזרום והטחנה פוסקת מלטחון. הם יוצאים לגלות את הסיבה לכך.
Il mulino del signor Ikin è in pericolo: i castori hanno costruito una diga per difendersi da una lince. Per rimettere tutto a posto occorre perciò far fuggire la lince e sbloccare le acque.