Martha Is Dead is a pretty linear game, but there is one optional side story that is unlocked in the chapter "The Burial." Completing this objective requires additional exploration and some puzzle-solving, but before any of that, you're required to make a choice - help the nearby partisan cell to carry out their mission or reveal their plan to Erich.
Related: Martha Is Dead: How To Get Through The Goriest Scenes With Your Eyes Closed
It's a tough call that you have to make in the middle of an already-stressful game. We'll take you through the entire partisan storyline so you can continue with the game satisfied that you made the right choice.
Spoilers Begin Here
Giulia's boyfriend Lapo is a member of the Italian Communist Party and fighting alongside the resistance against the fascist rule in the summer of 1944 when the game takes place. This complicates their relationship, as Giulia's father Erich is a German general. Fearing a possible attack on himself or his family (and using Martha's death as convenient propaganda against the resistance), Erich orders patrols around the villa.
When you encounter a firefight between Erich's soldiers and a partisan in the woods, proceed along the path toward the lake. When you hear an explosion and a scream, Giulia will immediately turn toward the source. Follow the left-hand path, and you'll find what's left of Lapo, who stepped on a land mine.
Giulia finds a letter addressed to her on Lapo's body, but before she can finish reading it the SS soldiers shoot her, believing her to be a partisan conspirator. Miraculously, she survives, and gameplay resumes when she wakes up at home. Get dressed, then go into the washroom to find your bag and finish reading the letter. Lapo has left
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