‘Just when we feel like we’ve got a grip on this, it is slipping out of our hands,’ says Miller and, as usual, we couldn’t agree with her more.

After the victim of a similar crime comes forward, and more evidence comes to light, the detectives face the daunting prospect that there’s a serial rapist at large.

Meanwhile, there’s an awkward meeting between Trish and Jim about whether they should tell Cath about their fling, while Cath (an increasingly excellent Sarah Parish) has a surprising heart-to-heart with boss Ed.

Elsewhere, as Mark takes another step forward on his very ill-advised mission, Daisy gives Hardy further cause for concern