Holding on and letting go

Captain swan AU where Emma grew up in the enchanted forest and Killian never loved Milah... Emma swan grew up and a castle with her parents Snow White and Prince Charming... She's loved and lost on her wedding day(Graham)
Killian Jones lost everyone he's ever cared about including his brother and his mother. His father left them for reasons unknown
When Killian spots Emma and goes to live in the castle to try and win her heart... What will happen
Find out in holding on and letting go