Cal's near-drowning is noticed by the Tidelanders, and by Corey; Adrielle gives Lamar and Dylan orders; Rosa tries to tie up a loose end.
A drama following a former criminal as she returns home to the small fishing village of Orphelin Bay. When the body of a local fisherman washes ashore, she must uncover the town's secrets while investigating its strange inhabitants, a group of dangerous half-sirens, half-humans called "Tidelanders."