What if Danny Williams had a twin sister? What if said twin sister joined the Navy when he went to the police academy?

What if she met a certain McGarrett while doing her basic training? And what if she became the only woman on McGarrett's SEAL team or the only woman on any SEAL team?

And let's not forget to mention that she is also his long-time girlfriend of six years.

Well, all that mentioned above is true. Lieutenant Delila Williams is the older by 45 minutes twin sister of Detective Daniel 'Danno' Williams and as mentioned before the long-time girlfriend of Lieutenant Commander Steve McGarrett.

This is her story of how she came to work with her boyfriend and her twin brother Daniel on a task force put together by the governor of Hawaii.

Lead by none other than her boyfriend Steve McGarrett.