Bob has constructed a shed for Meg's new milk bottling plant. Now it's time to install the machinery. It's a lot more complicated than it looks. Meanwhile, news of freshly bottled milk spreads through the valley - everyone is very excited. At the shed, Piper asks Bob if he minds him practicing his pipes nearby. Bob agrees, but is soon joined by Buttercup the cow who always comes when Piper plays. Bob's job gets harder when Buttercup eats Bob's instructions and accidentally turns on the machinery - sending milk and bottles flying all over the shed! Bob realizes that he needs help - he's a builder, not an engineer! Together with Wendy, Mr. Sabatini, Mr. Bentley and Farmer Pickles, Bob puts the machinery together! Bob and the team's job today is to build a house for Meg MacDonald and her nephew Piper. It needs to be ready for Meg's new milk delivery truck - Dodger - who is due the next day. Meg wants to give him a big welcome! Meanwhile, Dodger turns up in Sunflower Valley ready to get to work, but is sad to find no one waiting for him - he doesn't realize that they are all busy building his new home! Gloomily, Dodger finds some milk crates and begins his milk route. Meanwhile Piper realizes that some milk has been delivered and Lofty spots a strange new truck in the valley. Bob quickly figures out that Dodger has arrived! They rush to find Dodger, who is delighted that he is wanted after all. Welcome to the team Dodger!