A strong contender for horror film of the year, Kim Jee-woon's Grand Guignol fairytale about two sisters' battle against their evil stepmother is based on a traditional Korean folk story. There's nothing folksy about the telling, though, which swaps linear coherence for the frayed logic of a nightmare. Clarity eventually returns, but by then it's too late: the steady drip, drip of dread will have drilled into your brain.
