Tim:
Hey, I just watched an awesome movie!

Mark:
Really? What's it about?

Tim:
The wife is brutally murdered by a cold-blooded killer and the son gets really hurt.
Then there's a twist and the son is kidnapped!
The father then begins a quest to find and rescue his son, with the help of a mentally ill female.

Mark:
Wow, I wanna watch that!
What's it called?

Tim:
Finding Nemo :)