Hope Street (TV series)

https://m.imdb.com/title/tt14354984/

Finn o'hare is a police officer and Siobhan o'hare works as a doctor both are married with two kids but separated because the couple's son caught her with his PET teacher. No sex scene but it is discussed throughout the series and we see the lover gets caught to police in season 1 episode 7

Season 2 episode 7 

At end of the episode Siobhan gets her husband's work mate (who is staying at their house) to bed and continue the romance secretly because finn her husband moved out and wants a divorce

Season 2 episode 10

Siobhan confess to finn that she has been sleeping with his work mate and he tells he knows about that and want to get back with her.

Season 3 episode 8

Finn's best friend Clint divine and his wife nicole divine who runs a bar together have a fight and nicole ask Clint to pack his bag and get out.at the end of the episode nicole has sex with Callum,Finn's work mate

Season 3 episode 14 

Nicole has positive pregnancy test and tells it to Clint because she slept with him and Callum at the same day and they don't know who the baby's father is.but they want to raise it as their own without telling to Callum because Callum is moving to Belfast with his girlfriend

https://tvshows4mobile.org/Hope-Street

All the three seasons are in the above link.best to use idm browser 

Note:people who wants to download and watch please leave a pause after downloading 4 or 5 episode because you can't continuously download all the episodes at the same time in this website