After their dad's murder, three siblings move with their mom to his ancestral estate, where they discover magical keys that unlock powers — and secrets.
| Title | Time | |
|---|---|---|
| 1 | Welcome to Matheson | 2020-02-07 |
| 2 | Trapper / Keeper | 2020-02-07 |
| 3 | Head Games | 2020-02-07 |
| 4 | The Keepers of the Keys | 2020-02-07 |
| 5 | Family Tree | 2020-02-07 |
| 6 | The Black Door | 2020-02-07 |
| 7 | Dissection | 2020-02-07 |
| 8 | Ray of F**king Sunshine | 2020-02-07 |
| 9 | Echoes | 2020-02-07 |
| 10 | Crown of Shadows | 2020-02-07 |
