She doesn't know what to expect when Saoirse pulls the coat on. Will she turn into a seal straight away? Will she slip into the waves in an instant, not even looking back?

The last thing she expects is for Saoirse to let out a shriek like that, and for a moment, Greta could swear she levitates from the shock of it. "Saoirse!" she says, half-squawk and half-scold, without even thinking.