All Starlight could do at that point was purse her lips and give a blank shrug.
 
Twilight picked up the calorimeter, glaring as if she was trying to burn a hole through it. “It’s time to do a little investigation.” Starlight could’ve sworn she saw the thermometer on the end of it climb up a degree. “So I’m going to follow him. Tonight.”
 
Starlight’s blank expression quickly fell into a flat look. “Tonight? The only thing you’re going to be following is the train car directly to the front of yours. You’re going to be half-way to Fillydelphia by then.”
 
“And that’s exactly what I want Spike to think!” Twilight grinned ear to ear, activating her horn with a local communications spell. “Captain Berrytwist?”
 
Starlight could pick out the quiet reply, carried by the spell’s auditory function over Twilight’s right ear. Twilight’s security head was likely maintaining her station near the front gates. “Yes, Princess?”
 
“Please report to the map room. I have a special assignment for you.”