She Kills Monsters tells the story of Agnes Evans, a young woman grieving for her deceased sister, Tilly. She discovers that Tilly was a well-known Dungeons & Dragons player and that she was passionate about online fantasy gaming. In order to unlock more secrets about her mysterious young sibling, Agnes recruits a “dungeon master” named Chuck to help her understand and grieve Tilly. And that’s where the adventure begins. She Kills Monsters is a surprisingly sweet tale of friendship, loss, and acceptance.