Episode 4 songs in order of appearance:
Michelle Osis - Collusion
Jonathan B. Buchanan - Never give up
Joni Fuller - Cipher
Bastien Deshayes & Nicolas Clergue - Ride home
The Fontanas - Pot of gold
Rafael Osmo - Feelings
Sarah deCourcy - Wrong side of the tracks
Paul Reeves - Bletchley park
Richard Harvey - Water towns
Jan Cyrka - Stash the cash
Peter Beckmann - Special agent
Robert John Foster - China tea
Bastien Deshayes & Nicolas Clergue - Turbo
Paul Reeves - Sad reflections
Stavros Gasparatos - Inception
Sarah Eisenfisz - Haunting Your Dreams (Black Hydra Remix)
