Why I Did ItEpisode 4

Tired of her boring job and in need of a fresh start, Zoe moves back to the city she grew up in. The plan was to get a new job, meet somebody and bring back a spark in her life. She meets Mr. Gregory on a solo night out in the city and ends up in his bed. Unknowingly to her, that innocent hookup was about to change her life and bring back that spark she was looking for, but not in a good way. She bumps into an old friend, Sophia and they become very close only for Zoe to find out the man she slept with is her friend's husband. Things get more interesting when she finds a journal which belongs to her missing brother Andrew who is a journalist...