Silverpoint

Louis, Meg, Glen and Kaz discover they're one of four groups, each with their own alien artefact, and part of a game to save the world.

Dragonfly discover a way into their rival's alternative environment and learn more about how the alien game works; Emma begins to suspect that Greenfront can't be trusted.

Emma feels imminent danger and shares her night-time discovery with Maeve; Dragonfly know their friendship is at stake as they ally with Landslide and take on the first challenge.

Glen teams up with Monika and Isabel to set up a TV and scan for news, while Jay, Kaz and Louis receive an unpleasant surprise during their spaceship exploration; Louis discovers a clue to the aliens' identity.

Back in the city, Bea McConnell makes contact with one of the losers of the first challenge. With Alice and Finn's help, the four go in search of her missing friends.

With the second challenge appearing insurmountable, the responsibility of discovering a solution falls upon Louis; Meg's frustration mounts, as Jay and Kaz find an unexpected distraction in one another.