What if Skye was May's long lost daughter? How would they find out? How would they act? How would the team act? Would they know? and How did May lose her daughter in the fist place? AU

Skye never grew up in the foster system, she was adopted by two of S.H.I.E.L.D's best agents. Now she has to work with her parents and keep her Rising Tide Cover. Dealing with the fact that she watched her father die in the Battle of New York and the fact that some days her Mum won't even look at her after what happened in Bahrain. Skye has to finish her mission. AU