Riley is serving as a weapons officer aboard the USS Pennsylvania near the Gulf of Mexico when a mysterious outbreak forces the crew to strategize a way off the sub before it becomes their tomb, in this prequel to Fear the Walking Dead.

In 1997, a group of college misfits invite an unhoused professor to crash on their porch.

Riley is serving as a weapons officer aboard the USS Pennsylvania near the Gulf of Mexico when a mysterious outbreak forces the crew to strategize a way off the sub before it becomes their tomb, in this prequel to Fear the Walking Dead.