So what are the Lions doing on defence? | Squidge Rugby

Tonight, the Lions take on a team that definitely isn't just the Springboks in the fifth game of the tour. But, whilst few can criticise what the team are doing with the ball in those previous four, there are a few more question marks over the defence. So, what are the Lions trying to accomplish, how might it challenge the Springboks, and are there any weak spots we might see exploited?