Hundreds of years from now, the last surviving humans discover the means of sending consciousness back through time, directly into people in the 21st century. These "travelers" assume the lives of seemingly random people, while secretly working as teams to perform missions in order to save humanity from a terrible future.

Keef, an African-American cartoonist, is finally on the verge of mainstream success when an unexpected incident changes everything. He must now navigate the new voices and ideas that confront and challenge him, all without setting aflame everything he's already built.

Two high school girls are best friends until one dates the other's older brother, who is totally his sister's nemesis.

Skylar finds out that her parents are monster hunters after she accidentally releases some monsters from a secret containment chamber; so she and her techno friends must recapture all the monsters and also save her mom and dad from these monsters who are out for revenge.

Alex, blind since the age of two, dreams of running for his school's cross-country team. His father, a probation officer, finds a running partner who spends his time 'running' from the law.