Old mysteries unravel as Kieran visits the caves to piece the clues together. Can Evelyn Bay finally put the past to rest?

Mia discovers new evidence, and learns of a past incident that might connect to the case – and raise troubling questions about the two men that died.

Kieran searches for evidence and sneaks into a neighbor's home with his friends. Later, he confesses an old secret to Mia.

As the investigation heats up, the police search for missing items that could prove crucial. Later, a break in the case leads to an arrest.

As they continue their investigation, the police uncover troubling details that create tension in the community, and cause some residents to panic.

Years after surviving a tragic incident that killed two others, Kieran returns home to Evelyn Bay. Soon after he arrives, a body turns up on the beach.