Cassie Johnston needs to move on from a bad break-up. To start, she gets a new hairstyle and leaves the hospital scrubs behind for a research lab coat. Exhausted, and yet excited, about the new challenges, she's unprepared to handle it when her heartbreaker walks back into her life. Mikhail Ivanovich tried to do the right thing for the woman he loves, but he's haunted by her absence. Burying himself in work hasn't helped and eventually he accepts that life is too short not to spend it with the woman he loves. A heat wave blankets New York City and the two finally sit down to talk about what happened between them. Will they reunite? Or are there too many insurmountable problems standing in their way?