:59:03
Now if this thing's in invisible ink,
how do we look at it?
:59:05
Throw it in the oven.
:59:07
- No.
- Uh-uh.
:59:08
Ferrous sulphate inks
can only be brought out with heat.
:59:11
- Yes, but this...
- It's very old.
:59:14
This is very old, and we can't
risk compromising the map.
:59:19
You need a reagent.
:59:21
Dad, it's really late.
Why don't you get some rest?
:59:23
I'm fine.
:59:26
Lemons.
:59:34
- You can't do that.
- But it has to be done.
:59:36
Then someone who is trained to handle
antique documents is gonna do it.
:59:41
OK.
:59:45
OK.
:59:48
Now, if there is a secret message,
:59:51
it'll probably be marked by a symbol
in the upper right-hand corner.
:59:56
That's right.
1:00:01
I am so getting fired for this.
1:00:33
I told you. You need heat.
1:00:53
See?
1:00:58
- We need more juice.
- We need more heat.