Maybe it's just because of all the time they spent together, just the two of them (like it's just the two of them again now), but when Susannah sees there's a figure moving towards the explosion and not away from it, she knows it's him. She snatches a knife of her own and a life vest (which she shrugs over her cocktail dress) and she chases after him.

"Gunslinger," she says, once she's closer, "the deck's the other way."