From London to Shanghai, this thrilling and surprising mystery will take you on a journey that keeps you guessing until the very end.

You may have heard how rich Asians spend, but do you know how they kill?

On April Fool's Day 2015, married pharmacist Tilly Wurman gets a surprise text message; one that definitely isn't a joke. Her ex-girlfriend Joyce Peng has been forced out of her flat by an underground fire and needs somewhere to stay the night. It soon becomes clear that something isn't right with Joyce. So, when Joyce's dead body is discovered a few days later, it looks like an open-and-shut case of suicide. But is everything that it seems?

In another part of London, just returned from a year-long trip to India, Catherine Roxborough also gets a surprise when a man appears at her kitchen and smashes the glass. Recently separated from her fiancé, Catherine lives alone and is terrified that a stalker is lurking in the shadows.

These two very different mysteries bring two very different men to London. Chance Yang and Felipe Kazama are tasked with investigating Joyce's supposed suicide and keeping Catherine safe. This isn't an ordinary day's work for them, especially when personal feelings start to emerge. And the deeper their investigations go, the harder it gets to uncover the truth....