"Cats are the best animals in the whole world. Everyone should be a cat. I created a virus that would turn everyone into a cat. I needed hosts for my virus, people who could help spread my virus to everyone. I chose you three to help me in this quest." The catman says pointing at you two and your cat companion, who has obviously already suffered the full extent of the virus.
"Only I have the antidote, but good luck getting it from me."
"Of course you have the key, so you are free to go if you choose to. I won't stop you." It looks like this is all the information he'll be giving you. You have some choices to make now. What will you do?