Mr. Holiday are not a happy customer, his do it yourself beach kit seems to contain a sun, a beach umbrella, beach towel, sand and a mountain. Mopatop agrees that the mountain seems not to belong in a beach kit, but something else are missing and Mr. Holiday starts to sing a song about the missing sea. Puppyduck and Mopatop start looking for a extra sea that they are sure they have somewere, but all they have are a seal that sounds like a sea. During the entire episode the mouse family tries to figure out were to go on their holiday.