LONDON, England (CNN)-- If riding on top of a Mexican freight train while bandits lie in wait, or inviting real-life gang members to improvise street battles doesn't sound like the wisest approach ...

The Mexican gang is led by Paco (Zooey Hall), a hot-tempered youth with good reason to resent some of his Caucasian counterparts due to past prejudices. Bruce (David Macklin) is the leader of the ...