The Los Angeles Homicide Department is a revolving door of crime where Lieutenant Luis Mendoza has hardly time to grab a sandwich between the serial muggings of seven senior citizens, the disappearance of a wheelchair-bound man, and the killing of one of two runaway girls. All this and Mendoza also has to deal with his ever-growing family. Already the father of twins, his wife Alison is pregnant again and juggling work and home proves a tall order....