It really wasn't Greg's fault. He's middle-aged, his career has stalled, the kids have left, his marriage is on autopilot. It was bound to happen. Sure enough, when he meets Sylvia, a beautiful, young, frisky female in the park, wham, things get complicated. And when he decides to bring her home to meet the missus...Wow! But there's one twist. Greg's newfound friend is a four-legged female. As Greg's bond with his new canine grows closer by the minute, his relationship with his wife Kate slips farther away. So Kate launches a campaign to rid their Manhattan apartment of the pesky pooch until a series of hilarious and touching complications draws Greg and Kate closer, and makes Sylvia an unlikely marriage counselor and a valued part of the family.