Ghosts don't scare Lily and her best friend, Alex, at all! Quite the opposite. They find them fascinating, have read everything about them, and believe that if you manage to become friends with a ghost, it can grant you any favor you want. So when Lily learns that her father is going to resign from his job and they will have to move away with her family from her beloved friend, she thinks of asking for the help of a... ghost. Together with Alex, and with a bit of luck, Lily will finally manage to carry out her plan, but also inadvertently reveal a big secret. But where will this secret lead them, and who will believe them in their attempt to explain all these things that are happening and only the two of them can see? After all, no one believes in ghosts...