Douglas's ex-wife passes away. He gets full custody of his daughter. Cue daughter dealing with her grief, Douglas dealing with that, dealing with a certain amount of grief of his own(this was the mother of his only child, after all, and they must have loved one another at some point). And then the logistics of being a working single parent with a job that requires travel. The others at MJN start helping out (of course).

Prefer Gen/Friendship, with a helping of MJN as a sort of family.