Henry is hired to authenticate and purchase a long lost and very valuable recipe book. Soon Henry and Maggie find themselves in a murder mystery where secrets hidden within a treasured book have dire consequences for all who own it.

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.

Jonathan Ecks, an FBI agent, realizes that he must join with his lifelong enemy, Agent Sever, a rogue DIA agent with whom he is in mortal combat, in order to defeat a common enemy. That enemy has developed a "micro-device" that can be injected into victims in order to kill them at will.

Captain Dylan Hunt and his crew quest to restore a government that once presided over an extended peace and prosperity.