In episode 4, "Northern Wedding", when the bug is found in Linda's desk, NATO is placed on high alert. Linda arrives to visit Martin, who scrambles to turn her loyalties around. You can find our playlist of the music featured in the series on Spotify: https://open.spotify.com/playlist/2f2j6jRgvIOaAXXHHIOfeM?si=269b116a2de54a65 and on Amazon Music https://music.amazon.co.uk/user-playlists/d665e8944f604ed58e892ddb8fa8063cengb?ref=dm_sh_d565-baff-b1ad-9620-1ac8a