Aspiring Northwestern fellow Tess Harper approaches her best friend’s wedding preparations with the precision and focus of the future doctor she aims to be. She’s adept at solving any issue, as long as it doesn’t involve her own life. However, when she encounters Michael, a divorce attorney and the groom’s closest friend, she navigates their interactions with the skill of a surgeon in an operating room. It isn’t long before she realizes that this best man has some surprising strategies of his own.