Thriller providing a chilling insight into the damaged psyche of Russian soldiers returning home from Afghanistan. Andrei is the drug-crazed leader of the Zinky Boys, who make a living on the black market in the underground railway, where a serial killer is on the loose.

Seven teenagers and three teachers from a Welsh school visit Russia in a bid to rediscover themselves. On the overnight sleeper service to St Petersburg the students get separated from the teachers, which allows the students ample scope for rediscovery.