Fifty-year-old Sunny Andrews, a partner in a thriving flower shop, and her husband, Mick, are getting ready to retire and begin the next stage of their lives. Then, Sunny discovers that she is pregnant -- a condition she never dreamed possible. Reeling from the news, Sunny turns to her usually supportive husband and is dismayed when Mick is less than enthusiastic, creating tension between them. Sunny receives support from her adult son, exacerbating his already combative relationship with his father. The entire family is thrown into an emotional tailspin as Sunny and Mick explore the pros and cons of having another child so late in life, and how it will affect them.