Nearly 40 years ago aliens crash-landed in the UK. They look like us, but are forced to live in a ghetto. Border control officer Lewis falls in love with one.
Episode 1Lewis is a border guard at a checkpoint that patrols a wall, but after a chance encounter with mysterious alien Lilyhot his life is thrown into turmoil when he discovers that he's actually half alien.
Episode 2
E2
Episode 2Lilyhot tells Lewis that his alien father, Antoine, is in prison and that she has a plan to get him out but needs his help. Border guard Truss begins to suspect that Lewis is involved in some dodgy business.
Episode 3
E3
Episode 3Lilyhot tries to persuade Antoine to take control of Troy back from Fabien, but Antoine just wants a quiet life now and sees through her motives. Meanwhile, Lewis reluctantly agrees to smuggle "Fur" through the checkpoint.
Episode 4
E4
Episode 4Truss follows Lewis to Troy, where he discovers that Lewis is half alien, but the Alien League spots Truss, which puts him in grave danger.
Episode 5
E5
Episode 5After he accidentally prevents a hit on the human side of the wall, Dominic is tasked with taking out small-time drug dealer Sean. The conflict between Antoine and Fabian escalates into all-out gang warfare.
Episode 6
E6
Episode 6With many of Troy's inhabitants trying to flee the gang war the authorities impose a lock-down - no-one in, no-one out. Lewis realises he has to bring the conflict to an end but to do so he will have to make a sacrifice.
