Postman Pat and his family are planning on catching the train for the Seaside Special. However, Pat gets a phone call to do a special delivery of Mrs. Goggin's handbag.A wild goose chase then ensues as both Mrs. Goggins and Pat chase after one another. Along the way Mrs. Goggins looses more things, including her suitcase and Bonnie. Pat is eventually able to return her stuff.Pat then takes Mrs. Goggins and Bonnie to Pencaster by helicopter so that they can be all board the Greendale Rocket for the Seaside Special.