No Running in the Snow
It's unclear if Rocco is frozen with fear...or just frozen. But he's a bit snowed under, and he needs you to defeat 10 Snow Runners for him.
Goal
Defeat Snow Runner × 10Reward
Hi-HP Potion × 32,000 Dosh
Chain
Leads to 
Big Cats in the Snow
Dialogue
Rocco*shiver*
I-I-I'm so snowed under, I c-c-can't take care of this
m-m-myself, but...
d-d-defeat 10 Snow Runners for me, w-w-will you?
I-I'll p-pay you w-w-well. Three Hi-HP Potions and
2000 Dosh! *achoo!*
[Choice: Accept / Decline]
RoccoTh-th-that's 10 Snow Runners! Don't f-f-forget!
*achoo!*
RoccoY-y-you're just g-g-going to leave me out in the
c-c-cold like that?!
RoccoY-y-you're a L-L-Lifesaver! Take that, Snow Runners!
Here a-a-are your potions a-a-and Dosh.
Rocco*shiver*
I'm p-p-proudly guarding the R-R-Royal Cabin!