Rita, a young American woman arrives to London for the first time to visit her friend Jess. Jess has organized a welcome party, where Rita drinks more than she can handle. She attempts to get back to her hotel, but loses her way. Roger, a 35 year old Londoner passing by finds Rita lying on the pavement and offers a helping hand. Rita accepts this random act of kindness and begins to trust Roger. Will her willingness to trust a stranger cloud her good judgement?