Eileen has something important to discuss with her teenage son, Stephen. But on the day she decides to talk to him, Stephen has his own surprise in store for her.

Mick and Kev, teen Irish lads, are at the shore, throwing rocks at empty cans, drinking cider. Mick's the pushy one, engaging Kev in a game of mumbly peg, his hand on top of Kev's, fingers splayed. As Mick moves the knife between their fingers, a train is heard approaching. What's Mick's purpose?