This is cracking serial killer drama from Bong Joon Ho - with some superb performances - that tracks a police investigation trying almost every technique known to man to trace a rapist/murderer who is terrorising young women (especially if it is raining and if they are wearing red). Kang-ho Song, Sang-kyung Kim and Roe-ha Kim don't exactly see eye to eye as they set about their task, adopting some scientific and not-so scientific approaches to their detection. The stylish and witty writing allows the characters to develop at a slow, but steady and interesting pace - using humour, pathos and vi...