Tell Me Everything introduces us to 16-year-old Jonny Murphy, who is trying his best to navigate through this world. Growing up hasn't been easy, and although loved by his friends and family, Jonny suffers from undiagnosed depression and anxiety which he does his best to hide. So when he is faced with the most gut-wrenching tragedy, Jonny has to decide – is he going to let events overtake him or is he going to learn how to live?