Line of Duty

(BBC1, 9pm-10pm)

Okay, so at times the plot has been a little overblown, but what it’s missed in logic it’s more than made up for in good, old fashioned thrills and spills. But now it’s all about to reach the end – will Roz confess to save her husband’s neck, or will there be another twist to this enthralling tale? Martin Compston star.