The continuing adventure of Henry Gordon Jago and George Litefoot - characters first introduced on television in Doctor Who: 'The Talons of Weng-Chiang' (1977) who have become Infernal Investigators, solving mysteries involving paranormal or alien phenomena in 1880s London.

This release features four full-cast audio dramas plus a behind-the-scenes documentary:

• 'Dead Men's Tales'. Written by Justin Richards and directed by Lisa Bowerman. Featuring Warren Brown. A friend from the past returns to warn Jago and Litefoot of a threat to the future. Time breaks are appearing in Victorian London, but first Leela must help solve the mystery of the Wet Men - terrifying creatures that are rising from the River Thames....
• 'The Man at the End of the Garden'. Written by Matthew Sweet and directed by Lisa Bowerman. Featuring Joanna Bacon, Joanna Monro and Eden Monteath. Strange things are happening in the Naismith household. Eleanor Naismith has vanished, and her daughter, Clara, is found in odd circumstances.... What is the link to Eleanor's book, The Man at the End of the Garden?
• 'Swan Song'. Written by John Dorney and directed by Lisa Bowerman. Featuring Abigail Hollick, Hywel Morgan and Andrew Westfield. The New Regency Theatre is haunted, and Jago, Litefoot and Leela witness the spirit of someone in a silver wheelchair floating over the stalls. This is the story of Alice - a young woman who had Swan Lake so cruelly taken from her....
• 'Chronoclasm'. Written by Andy Lane and directed by Lisa Bowerman. Featuring Philip Bretherton, Duncan Wisbey and Wendy Padbury. When Litefoot's home is invaded by giant metal spheres, it seems that the end of the world is nigh. The enemy has revealed itself, and the endgame is afoot. Can two Henry Gordon Jagos save the day?