Thomas the Tank Engine's friend Farmer McColl asks him to fetch some hay to make a bed for some soon-to-be-born piglets. This is a story of Thomas' good intentions, which go a little bit wrong until Thomas fixes things just in the nick of time! Thomas wants to welcome the piglets in a big way, so he asks his friends Percy and James to help. But his additional good deeds cause trouble when they nearly make Thomas too late with the hay!