We follow the story of Tawa, an inquisitive teenage boy. With a time-travelling shed located in his garden, Tawa takes a trip through time visiting ancient days, where he meets Mauwhare and his grandmother.

Throughout the story, Tawa meets ancestors and paramount chiefs and soon realises there might be more to his grandmother and Mauwhare than meets the eye. Packed with excitement and unexpected turns along the way, Tawa discovers connections he couldn't have imagined from the past that impact his world today.

Te Onehaumako offers a thrilling exploration of time and heritage through the eyes of a young adventurer.