Meet the blended family of Derek and Kim Finley. Kim has a set of twins--one boy and one girl--from her first marriage; Luke has recently been diagnosed with diabetes, and Lydia is acting out as a result of the attention now being showered on Luke. To complicate matters, Derek's overbearing mother comes to live with them. With all that's going on in their lives, Kim and Derek's communication begins to break down and their marriage slowly moves into winter.