I see.... so the challenge was him dying
I think is more accurate to say it's mixture of both, on one hand dealing with the death of (what for the sake of the argument I will treat as) a father figure and on the other hand keeping the restaurant afloat, heck we can even say she will have to live up to pops legacySince he's 'already' gone 1 year from now.
The challenge is probably more about her trying to keep the restaurant running.