Soren didn't plan on ever having kids. But when his ex showed up with a five year old and told him he was a dad, he didn't have much choice in the matter. Adrien was his whether he was ready or not.
And by all accounts, he wasn't.
Luke loves his job as a babysitter at Omega For Hire. He's worked with wonderful families and gotten to know great kids. But it's hard to keep not get emotionally attached when each job inevitably ends as soon as his unique medical condition is revealed.
When Soren hires Luke to take care of his newly discovered son, he's skeptical that anyone will be able to help break through to the child who has been abandoned by the only parent he's ever known. But through patience and love, the men are able to do just that.
And create a family that none of them expected.