The poor girl looks terrified, and it just makes Arcee's spark burn. It's bad enough that Airachnid's been around to inflict herself on other Cybertronians -- the fact that Earth apparently has a brand new infestation is that much worse. Arcee thinks an extermination migh tbe in order.

Her eyes are serious as she looks back at Matilda and she gives a grave nod. She might be sharing this information with her fellow Autobots, but as far as she's concerned, this is between her and the little human girl.

"Of course. I won't tell anyone."