Duckling Emil is very afraid of swimming. He will find hundreds of reasons not to enter the water. But once on the shore of the lake, Emil meets the swan Henry. This witty and desperate person does not pay attention to the refusals of the little one, he is determined to prove to the duckling that swimming is simple and fun. Friends' attempts to get along with the elements will entertain young readers and convince them that our fears are often groundless and only prevent us from fully enjoying life.