Nine Guests for a Crime (1977)

Plot

A wealthy and dysfunctional family gathers for a reunion on a secluded Mediterranean island, but tensions quickly rise as long-buried grudges and past traumas resurface. Their idyllic getaway turns sinister when their boats are mysteriously sabotaged, cutting off any chance of escape. As isolation intensifies, the atmosphere grows increasingly hostile, leading to unexpected violence. With each family member harboring secrets and motives, the group must confront not only their shared history but also a lurking presence that threatens their lives, as the body count rises amidst their bitter conflicts.