School.

'Miss Cooper, you sure this note is correct?' The teacher asked.

'Yes, it is. I wouldn't lie to you.' KC replied.

The teacher was a bit unconvinced, but he let her go anyway.

'Sooooo, how are you feeling today? Tummy bug go away? You, you ARE feeling 100% right? I really can't get sick right now!' Marisa blubbered.

'Marisa, shh! I can't talk about it!' KC shushed her.

The truth was is that she had to track down an international smuggler, and it took longer then usual. Which mean using the old 'Fake a doctor's note so you won't draw suspicion to your dangerous and secret lifestyle' trick.