Iris invites her friend Jack to stay at her family's island getaway after his brother's death. Jack's drunken encounter with Iris' sister Hannah at their remote cabin kicks off a revealing stretch of days.

After selling his cattle in town, ranch owner Morgan unexpectedly dies, and his foreman Pike has to deliver the payroll to Sonora, despite the perilous journey during which he's followed by many shady characters who want the money.