A group of teenagers are sentenced to community service for past mistakes only to find their lives changed after a storm gives them strange new powers and new problems to overcome.

Today, the world woke up to find spaceships over every major city. The Visitors claim to have come in peace, bringing gifts of medical miracles and technological breakthroughs. They promise to do no harm... They're lying...

The Previously unknown purpose of the "Ninth Chevron" is revealed, and ends up taking a team to an Ancient ship "Destiny", a ship built millions of years ago by the Ancients, used to seed Distant galaxies with Stargates. This team, led by Dr. Nicolas Rush and Colonel Everett Young, is trapped on the ship, unable to change its programmed mission. The team encounters new races, new technology and new enemies as the runaway ship travels to the far ends of the Universe.

As the school year begins, Elena Gilbert is immediately drawn to a handsome and mysterious new student, Stefan Salvatore. Elena has no way of knowing that Stefan is a vampire struggling to live peacefully among humans, while his brother Damon is the embodiment of vampire violence and brutality.

After saving the life of an international diplomat in Washington D.C., a pair of U.S. Secret Service agents are whisked away to a covert location in South Dakota that houses supernatural objects that the U.S. Government has collected over the centuries. Their new assignment: retrieve some of the missing objects and investigate reports of new ones.

The show revolves around a corporation running numerous underground establishments across the globe which program individuals referred to as Actives with temporary personalities and skills. Wealthy clients hire Actives at great expense for various purposes. The series follows the Active known as Echo, on her journey towards self-awareness.