Shirakawa Keita works as a building inspector. He is a single father, who has raised his 14 year-old-daughter Hitomi alone since his divorce with ex-wife Sendai Yukiko. Yukiko works as a corporate lawyer for a large construction company. After his ex-wife left, Keita placed his daughter as a priority, making him the ideal father. One day, Keita receives a phone call. The caller informs him that "I have your daughter. If you want to save her life, go to your ex-wife." While looking for his daughter, Keita uncovers secrets about his daughter and ex-wife.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Extra Terrestrial | 2017-02-15 | 25 min |
| Season 1 | Episode 2 | Mysterious Creatures and Beings | 2017-02-15 | 25 min |
| Season 1 | Episode 3 | Sacred Places and Buildings | 2017-02-15 | 25 min |
| Season 1 | Episode 4 | Supernatural Abilities | 2017-02-15 | 25 min |
| Season 1 | Episode 5 | Unexplained Messages | 2017-02-15 | 25 min |
| Season 1 | Episode 6 | Paranormal Activities | 2017-02-15 | 25 min |
| Season 1 | Episode 7 | Ancient Megastructures | 2017-02-15 | 25 min |
| Season 1 | Episode 8 | Places with Healing Power | 2017-02-15 | 25 min |
| Season 1 | Episode 9 | Mysteries of Sacred Texts | 2017-02-15 | 25 min |
| Season 1 | Episode 10 | Mysteries of Ancient Cultures | 2017-02-15 | 25 min |
| Season 1 | Episode 11 | Relics of the Saints | 2017-02-15 | 25 min |
| Season 1 | Episode 12 | Secret Cults and Orders | 2017-02-15 | 25 min |
| Season 1 | Episode 13 | Science and Mysteries for 21st Century | 2017-02-15 | 25 min |
| Season 2 | Episode 1 | People Without Identity | 2019-03-15 | 25 min |
| Season 2 | Episode 2 | Nature's Magic | 2019-03-15 | 25 min |
| Season 2 | Episode 3 | History's Mysterious Works of Art | 2019-03-15 | 25 min |
| Season 2 | Episode 4 | Secrets and Magic of Alternative Medicine | 2019-03-15 | 25 min |
| Season 2 | Episode 5 | Unsolved Disappearances | 2019-03-15 | 25 min |
| Season 2 | Episode 6 | Mysteries of World War II | 2019-03-15 | 25 min |
| Season 2 | Episode 7 | The Mystery and Cults of Mummies | 2019-03-15 | 25 min |
| Season 2 | Episode 8 | Big City Mysteries | 2019-03-15 | 25 min |
| Season 2 | Episode 9 | Medical Mysteries | 2019-03-15 | 25 min |
| Season 2 | Episode 10 | Top Secret Military Intelligence... | 2019-03-15 | 25 min |
| Season 2 | Episode 11 | History's Suppressed Inventions | 2019-03-15 | 25 min |
| Season 2 | Episode 12 | Human Sacrifices | 2019-03-15 | 25 min |
| Season 2 | Episode 13 | Forbidden Knowledge | 2019-03-15 | 25 min |
