When a Florida couple goes missing, the discovery of a grisly bait freezer leads investigators through a precarious gauntlet involving a fishing boat, a missing anchor, a diamond ring and an informant who claims the truth is hidden at sea.

Fishermen find the body of a young woman floating in the coastal waters off Cape May, New Jersey. In the ensuing investigation, detectives discover the chains binding her ankles might be the missing link to solving the mystery of who put her there.

In the wake of a violent storm, a Rhode Island harbormaster finds a badly decomposed body aboard a sailboat. Detectives must uncover the truth.

After seasickness and choppy waters cause a wife to fall from her husband's fishing vessel, the race is on to save her from the waters of Lake Erie. However, a deeper dive reveals a shocking illness and hidden truth about the couple's relationship.