21/18
Plot
Ruby Yao, a 33-year-old single woman searching for love, finds herself at the center of a mystery. After the death of one of her ex-boyfriends, others begin to suffer the same fate – mysteriously dying in the order in which she slept with them. As the death toll mounts, she is forced to confront her romantic past to find out what is happening and how to stop the murder spree.