Tanya arrives in London with her son Artyom, expecting to be met by her boyfriend. When he doesn't show and immigration wants to send her back to Russia, she asks for political asylum to buy some time. She has no idea that this will consign them for at least a year to a detention center, a fenced "city" near an abandoned seaside amusement park. Once there, realizing her boyfrie...。当Sam恢复意识的时候,他正身处熙熙攘攘的地铁站,然而他完全不知道自己如何来到此处,他是谁,来自哪里。他从随身的背包发现了一些关于自己身份的信息,慢慢地他开始意识到,自己的生活正处于一个巨大的危险之中……。