Ali and Sara are preparing fruits together. The fruits fall on the floor and get contaminated. Sara gets cut and Ali warns her about bacteria. Using a magnifying glass, they discover bacteria on the fruits. Ali washes the fruits well and Sara reads about bacteria. Maha treats Sara's cut and puts a bandage on it, while Omar explains to the family the importance of cleanliness. In the end, the family gathers to eat the clean fruits, enjoying the food and understanding the importance of cleanliness to prevent the growth of bacteria.