DI Alec Hardy (David Tennant) and DS Ellie Miller (Olivia Colman) will return for the final series of hit drama Broadchurch, along with some new additions to the cast.
The new trailer shows the duo taking on a fresh crime - a brutal sexual assault at a party, with worries that the attacker will strike again.
Hardy and Miller will investigate the assault that takes place in Dorset, as well as dealing with the emotional damage it subsequently causes everyone connected with the crime.
Season 3 of Broadchurch will return on Monday 27 February at 9pm on ITV.