It is the story of a young woman who starts to lose her sanity while mourning over her sister's death.

Fifteen New Yorkers go into a Friday night unaware of the fact that their lives are about to change.

Susan Morrow receives a book manuscript from her ex-husband – a man she left 20 years earlier – asking for her opinion of his writing. As she reads, she is drawn into the fictional life of Tony Hastings, a mathematics professor whose family vacation turns violent.

Rising executive Tim Conrad works for a boss who hosts a monthly dinner in which the guest who brings the biggest buffoon gets a career-boost. Tim plans on not attending until he meets Barry, a man who builds dioramas using stuffed mice. Barry's blundering but good intentions send Tim's life into a downward spiral, threatening a major business deal and possibly scuttling Tim's engagement to his fiancee.

Set against the backdrop of a NYC heatwave, OM reveals the inner most thoughts that bombard a group of yoga students during their session while exploring the split decisions we make in life - as their worlds collide, the final bell rings.