Ariadne's life hangs in the balance when Pasiphae seizes Atlantis; the heroes are forced to seek refuge in the mountains above the city.

Cast: Anya Taylor-Joy, Ken Bones, Sarah Parish, Amy Manson, Lorcan Cranitch, Peter De Jersey, Aiysha Hart, Emmett J Scanlan, Jemima Rooper, Mark Addy, Robert Emms, Jack Donnelly, Sam Swainsbury, Robert Lindsay, Joseph Timms