Season 1
5 episodes · 2026
1Ghost Orders
Mira Calder races to figure out mystery code names provided by her dying brother.
2Surface Noise
Mira, upset at the death of her brother finds a rogue salvager at a North Sea oil rig and recruits her for a deep-sea investigation.
3The Fifth Name
Mira and Len attempt to decrypt the meaning of a coded message to help solve the mystery of her father.
4Surface Tension
Mira gets provided coordinates to a mysterious location whilst action escalates on the surface.
5The Name Is Calder
Follow Mira as she realises the weight of her family's actions in an epic final.
