A stranger claiming to be Erica's brother shows up on her doorstep just months following her parents' deaths in a violent car crash.

Writer Erica Falck digs into the past of a photographer who was murdered in his studio when it turns out the shutterbug was blackmailing numerous people in the neighborhood.

Two amateur divers are found dead and another pair goes missing; Erica learns that the divers had uncovered a shipwreck containing intact bottles of valuable wine.

As Erica investigates the case of a woman in a traditional Lucia gown seen throwing herself into frigid waters, she discovers the missing Lucia, a secret love affair and a man seeking revenge.

Erica sets off a chain of events when she investigates the disappearance of a classmate from her teenage years.

Erica's sister Anna has a dalliance with a businessman who is later found murdered; Erica learns that Anna's common-law husband was aware of the affair.