In the sleepy town of Vine Creek, preacher and volunteer fireman Joe Cass wakes up to realize his family and community are at a breaking point. Joe decides to take control of his life and must prove his bravery when he is called to save a child trapped inside a burning building. Lost inside the inferno, a mysterious fireman helps them to safety and quickly disappears. As Joe waits for the mystery fireman to come forward, rumors circulate throughout Vine Creek that the apparition was an angel sent from above.

In the early 21st century, mankind has colonized the oceans. The United Earth Oceans Organization enlists Captain Nathan Bridger and the submarine seaQuest DSV to keep the peace and explore the last frontier on Earth.