Somewhere Between - Season 1 Episode 5

Suspicious that her husband is lying to her, Laura enlists Nico's help to follow Tom, when he goes to a secret rendezvous with a woman who harbors dark intentions towards Laura and her family. After a tense standoff, Laura and Nico also discover that Tom is being blackmailed by the mysterious killer with a wrist tattoo. An old photograph turns up, showing Nico's murdered girlfriend posing with four men — all with the same tattoo — but which one is the killer? Nico and Laura decide to go back to Spanish Harbor to investigate how their fates are intertwined.