Reagan Secret's

This is a blue bloods/ Hawaii five 0 crossover, oh and ima usin some Greysanatomy doctor's (cause I don't really know any others other than linda)
None of this has yet taken place in either tv show, (yet)
All families have secrets, its what bonds them together. Or is it? When one little secret from the long past is brought out and to the open, will it make the close knit bond pull together and get stronger, or will it be able to shake that bond that the family had for so long? Find out now.