The Hardy Boys/Nancy Drew Mysteries (1977-1979)

Countdown begins with a suspicious murder in broad daylight, leading Los Angeles Police Department officer Mark Meachum to be recruited to a secret task force of undercover agents from all branches of law enforcement that will investigate the death. But as the truth of a more sinister plot comes into focus, the team must overcome their conflicting personal agendas to unite and save a city of millions.

Shortly after Daniel, or DD as everybody knows him, starts working at the hotel, one of the owner's daughters disappears. He must do whatever it takes to find her and bring her home while still solving the ever-changing problems of the exclusive hotel guests.

At his father's auto shop, a hapless manager strives to improve customer service and drive profits while keeping his troublemaking cousin in line.

When a house explodes in a quiet Oxford suburb and a girl disappears in the aftermath, neighbor Sarah Tucker becomes obsessed with finding her and enlists the help of private investigator Zoë Boehm. Zoë and Sarah suddenly find themselves in a complex conspiracy that reveals that people long believed dead are still among the living, while the living are fast joining the dead.

The Buccaneers are the daughters of America's new rich — beautiful and untameable, despite the best efforts of England's finest governesses, they are on their way to London to snare themselves an aristocrat, low in funds but high in class, to make a perfect match.