The drama, which is being stripped in the 7pm-7.30pm slot on BBC One across this week, opened to a decent 4.52m (19.7%). It was solidly beaten by Emmerdale, however, which was up to 8.03m (35%) for ITV1.
Coronation Street pulled in 10.75m (44.8%) for ITV1 at 7.30pm, then EastEnders had 10m (38.6%) for BBC One. A second episode of Corrie brought in 10.56m (41%) at 8.30pm.
The concluding part of ITV1's Above Suspicion drew 7.34m (28.8%) in the 9pm hour, up around 600k on Sunday's opener. BBC One had just 3.42m (13.4%) at the same time for Traffic Cops.
On BBC Two, the last second-round game of University Challenge had a healthy 3.41m (13.2%) at 8pm, then a new series of Masterchef kicked off with 3.31m (12.8%). The second half of Three Men In More Than One Boat delivered 2.95m (11.6%) in the 9pm hour.
Channel 4 started with 1.03m (4%) for a Dispatches investigation into violent and disruptive primary school children. At 9pm, the latest update from Celebrity Big Brother logged a sizable 3.34m (13.1%), with a further 329k (2%) watching on Channel 4+1. One-off doc Surviving Gazza, about the troubled footballer's family, interested 2.15m (13.2%) at 10pm.
Earlier, Hollyoaks pulled in 1.9m (8.6%) for the channel at 6.30pm, with 870k (4.3%) tuning in for E4's first look at 7pm (+1: 131k, 0.6%).
Five had 939k (3.6%) for a new series of Fifth Gear in the 8pm hour, then new Afghanistan-set documentary War Zone appealed to just 689k (2.7%). The Steven Seagal movie Urban Justice brought in 1.16m (8.1%) from 10pm.
Earlier, the return of Five's Aussie soaps after a Christmas break helped boost the channel's early evening ratings. Neighbours drew 1.59m (6.3%) at 5.30pm, then Home & Away had 1.18m (5.8%) from 6pm.
ITV1 extended its lead in primetime with an average share of 28.6% (last week: 25.5%), while BBC One fell from 20.5% to 17.8%. BBC Two was third on 10.1% (9.8%), followed by Channel 4 on 8.1% (5.6%) and Five on 3.7% (4.3%).
Ratings data supplied by Attentional