Earth teems with a staggering variety of animals, including 9,000 kinds of birds, 28,000 types of fish, and more than 350,000 species of beetles. What explains this explosion of living creatures—1.4 million different species discovered so far, with perhaps another 50 million to go? The source of life's endless forms was a profound mystery until Charles Darwin brought forth his revolutionary idea of natural selection. But Darwin's radical insights raised as many questions as they answered. What actually drives evolution and turns one species into another? To what degree do different animals rely on the same genetic toolkit? And how did we evolve?

Uptight and straight-laced, FBI Special Agent Sarah Ashburn is a methodical investigator with a reputation for excellence--and hyper-arrogance. Shannon Mullins, one of Boston P.D.'s "finest," is foul-mouthed and has a very short fuse, and uses her gut instinct and street smarts to catch the most elusive criminals. Neither has ever had a partner, or a friend for that matter. When these two wildly incompatible law officers join forces to bring down a ruthless drug lord, they become the last thing anyone expected: buddies.

Things haven't been going well for Manhattan socialite Carly Hayes. Her father is in prison, her mother is having a mid-life crisis and her personal finances are in freefall. But even on her darkest days, Carly could never see herself working at a boardwalk hotdog emporium on the Jersey Shore...or could she? Roller Palace is the result of a groundbreaking collaboration between mtvU, MSN Messenger and Boston University.

When 4 year old Amanda McCready disappears from her home and the police make little headway in solving the case, the girl's aunt, Beatrice McCready hires two private detectives, Patrick Kenzie and Angie Gennaro. The detectives freely admit that they have little experience with this type of case, but the family wants them for two reasons—they're not cops and they know the tough neighborhood in which they all live.

As Constance (Natasha Richardson) and Nina (Toni Collette) gather at the deathbed of their mother, Ann (Vanessa Redgrave), they learn for the first time that their mother lived an entire other lifetime during one evening 50 years ago. In vivid flashbacks, the young Ann (Claire Daines) spends one night with a man named Harris (Patrick Wilson), who was the love of her life.

Frank Tramontana, a hearse driver who unwittingly gets drawn into a scheme his co-workers have concocted for a series of unfortunate "accidents" designed to clean up the neighborhood and fill their funeral parlor with much needed customers.