In a near-future Switzerland, where FM radio is being phased out, you are a rebellious sound engineer named Lina who discovers that hidden frequencies from defunct transmitters hold secrets to the past. As you explore the now-silent airwaves, you must solve intricate puzzles, uncover lost broadcasts, and connect with rogue radio enthusiasts to keep the spirit of FM alive. Each choice impacts the broadcast you create, leading to varied endings that depend on the stories you choose to tell and the connections you forge.