 While both couples, Annie and Eric, Patricia and Morgan Hamilton, spend a romantic Valentine s Day camping, Matt is left in charge of the rest of the family and allows chaos to rein in the Camden household. His preoccupation with his date and Mary s party allows the dog, Happy. to slip out of the house in search of her puppies. When a car hits Happy, the family holds a vigil, aided by a caring veterinarian. Simon blames Matt for the accident. Lucy is enjoying her first Valentine s Day with her boyfriend Jimmy Moon.