After the horrific murder of a Lying-In Hospital employee, the team are now hot on the heels of the murderer. Sara enlists the help of Joanna to tail their prime suspect. Sara, Kreizler and Moore try and put the pieces together.

Brittany Marie Batchelder, Bruna Cusí, Diego Martín Gabriel, Emily Barber, Frederick Schmidt, Gavin O'Connor, Georgia Lowe, Heather Goldenhersh, Julia Montgomery Brown, Lara Pulver, Liadán Dunlea, Lucas Bond, Martin McCreadie, Matt Letscher, Michael McElhatton, Patricia Franklin, Peter Coonan