As a Soviet double agent breaks his cover to help a leading scientist's two children escape from the KGB, he takes a journey into his past to make amends for his biggest regret. Meanwhile, the Demogorgon's keeper uses her 'pet' to test the scientists' loyalty . . . o Tie-in to season 3 finale of hit Netflix TV series. 'Michael Moreci spins a brilliant story here and makes clever use of all the characters.' Ian Cullen ~ Scifipulse