The last 20 minutes of this film have a lot of crying moments from these 2 actors. John Simm starts sobbing around 1:12.00 because of heartbreak and then at 1:30:00 they have an argument followed by Sheperd's charater's breakdown. John Simm tears up again towards the end of this scene.

 https://m4uhd.cc/watch-movie-forgive-and-forget-2000-256821.html ( Here there's a better resolution but there are a lot of pop ups , the film is also on youtube with the crying in part 8 and 10 )