The Deep End

By EWAN McDONALD

(Herald rating: * * * )

Tilda Swinton stars as Margaret, a mother of three who lives in a mansion on the shores of Lake Tahoe. Her husband is at sea. Her oldest son, Beau (Jonathan Tucker), is 17 and has started to run in dangerous company, also known as his 30-year-old lover, Darby (Josh Lucas).

When Darby dies mysteriously, Margaret's life swirls into dangerous currents.