Aaron is the traveler, a handsome and mysterious guy who arrives in a new city and enters the lives of two fellow travelers. Anna and Michael, a couple looking for a break from each other, invite Aaron to join them on their exploration of London. Attracted to Aaron, Anna leads the interaction in an attempt to impress him and find out more about this understated upgrade to her day. Later, the couple insist that Aaron join them for a drink, a decision they may regret. A potential revelation from Aaron threatens the very foundation of Anna and Michael's relationship and leaves us wondering...