The critically acclaimed award-winning drama Broadchurch concludes it's third and final series in Australia tonight.

The series has seen David Tennant and Olivia Colman star as detectives Alec Hardy and Ellie Miller, who are reunited in the hunt for the perpetrator of a serious sexual assault. When a woman called Trish (Julie Hesmondhalgh) presents at Broadchurch police station to report a rape during a party, Hardy and Miller's scrutiny falls on a number of men known to her: her estranged husband, her boss, even the local taxi driver. Is one of these the guilty man? And will he strike again before he is identified?

In tonight's final episode Hardy and Ellie uncover the truth behind the rape and lives in Broadchurch are changed forever...

Watch Broadchurch tonight at 8.30pm on ABC.