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.

Straight-laced Luke inadvertently finds himself sentenced to two years in Young Offender Institution Sunnybank View after becoming a bank robber’s getaway driver, along with the bank robber in question, his girlfriend’s brother and so-called friend - Jason. To make matters worse he has to share a cell with Jason. Luke will have to rely on Jason’s street smarts to get him through. Unfortunately, Jason is a massive idiot.