Kate launches a civil suit against a lonely-hearts scam artist she unwittingly paired with her gynecologist, and tries to find a match for the lesbian daughter of her dad's brassy friend.

Michael and Kate's efforts to keep their fling under wraps begin to unravel after Lauren pulls out the big guns to get him back. Meanwhile, Serena Lockner returns to enlist Kate's help in adopting the perfect child in time for the holidays; and Victoria sees the downside of getting naughty with a department-store Santa.