The breath-taking, fast-paced prequel to the million-copy bestselling DI Kelly Porter series.

A new detective. Tested like never before.

London, 2008. Kelly Porter has been in London for six years. She's 28 years old and has passed her detective exams, working for Bethnal Green CID. Now she's landed her dream job in the Met's Major Investigation Team the murder squad. And she is immediately thrown into the deep end.

Work on the Olympic Park is underway, and human remains are found on Kelly's former patch. When a link to children's toys is found, Kelly seeks help from a curator at the Museum of Childhood.

A legacy of horror and killer with an unexpected motive are about to be revealed but can Kelly stop them?

For anyone who has enjoyed the Kelly Porter series, First Act provides a window into the detective's life before her move to the Lakes.