Anna's online sleuthing unearths a close connection to Neil - and one tragedy after another. During a trip to a lighthouse, Anna's suspicions run wild.
A paranoid stranger appears at Anna's door with threats and the unsettling truth about Lisa. After the cops drop in, Anna unwinds in more ways than one.
When a night of passion leads to an arrest the morning after, Anna tries to get on with her life. But just when things feel normal, a new clue is found.