No Lies and Nightmares

Harry has a nightmare while at Grimmauld Place for Christmas and he talks to Sirius, telling him things that he hasn't told anyone else. But what will happen when Sirius notices something on Harry's hand? Read and find out! Sirius and Harry one-shot. Family fluff, not a slash story. Mentions of Sirius and Remus brotherly fluff also. I apologize for the bad summary. Please R&R!