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The US students confront difficult truths in their debut week in a diverse London school. In Arkansas, the UK teens learn about Mena's racist past, which leaves them questioning their physical safety.

Guns and smartphones, book bans and dreaming spires are the latest hot topics as teens from south London switch places with high school students from rural Arkansas.

Love is in the air for the two groups of teenagers bringing both joy and tears as the students prepare to leave their new friends and return home.