A group of bridesmaids travel to Napa for a bachelorette party and find themselves in great danger as a man wearing a wolf mask seeks revenge for the death of his friend.

A woman's husband disappears, presumed drowned, during a kayaking trip. But she glimpses a man who looks like him; setting off a chain of events that unravels her life.

Maddie, a local reporter investigating a series of killings targeting similar looking women is caught off guard when her younger sister Olivia, is attacked in her own home. Urging on the side of caution, Maddie suggests they take a self-defense course. When Olivia starts to fall for their instructor, Maddie becomes skeptical when he refuses to reveal anything about himself, and tries to intervene before the relationship turns into a deadly obsession.

A woman and her husband become the target of their fertility doctor.