“Michael and Joanna Reed (Sam Worthington and Knightley) seem to have it all. Young, attractive and successful, they’re a married couple who’ve lucked into spiritual and material well-being, sharing a comfortable and seemingly perfect life in their trendy Manhattan apartment. But when the Reeds attend one of Michael’s work parties, Joanna witnesses a suspicious moment between her husband and his beautiful new co-worker, Laura (Eva Mendes). The incident is fleeting and ambiguous – Joanna…