suddenly, found something that he could do and could do better than anybody else. and that gave him confidence that he had never, ever had, before. it changed him, i think. reporter: when harry left the army after nearly-ten years of service, his future was uncertain. i don t think there are any career options for a world prince. it s easy for william. he is heading towards the throne. i think, being royal for harry was a burden and a curse because he was only the spare. what was his job? what was his way forward? reporter: harry struggled to find his way. and to find someone to share his life with. his family and fame had brought an end to his relationship with chelsea davy and another, serious girlfriend. chelsea had experienced the most horrible treatment. photographers would be waiting for her. they would call out names.
reporter: in november of 2017, harry and meghan announced their engagement. kensington palace announcing the two are set to wed in spring of 2018. reporter: and the royal family welcomed meghan, with open arms. the queen made an exception and broke from royal protocol. and invited meghan to spend christmas with the royal family and the queen. that was the first time a royal fiancee has ever done that before actually marrying into the royal family. reporter: a powerful sign the monarchy and the queen were modernizing and changing. the royal family, now, is trying to at least be much more society. and the queen, first and foremost, wants her grandson to be happy. when we come back. tension in the royal family. william looked at harry moving very, very quickly towards marriage. and said, hold on a minute. are you sure?
they were even labeled the fab four. and it did look as though they were all getting along really, really well. reporter: but soon, stories began to leak. that there was tension, behind palace doors. they had a good relationship, the three of them. then, meghan arrived and, i think, that was when things started to go wrong. harry fell head over heels. harry is a very impetuous sort of person. william is very much more considered. he is very controlled, in what he does. and i think he looked at harry, moving very, very quickly towards marriage. and just said, hold on a minute. are you sure you re not going too fast here? you look at harry and william s parents. they didn t take huge amount of time to get to know each other. that marriage was not successful. whereas, you know, william and
and lectured people on how we must, all, behave. and had, then, taken two private jets, on two separate occasions, to go to two different holiday locations with meghan and archie. and so, the press picked up on all of that and they did hammer home the hypocrisy of all of this. the duchess of sussex. poor thing can t get a break ever since the royal wedding, everything she does is being scrutinized. reporter: the constant scrutiny started to take a toll. the british tabloids can be vicious. and anyone that puts their head above the must expect that, at some time, they might get it blown off. privately, i know it was really difficult for them. harry had struggled with his mental health. he s talked about it, previously. his mother was chased into a tunnel, by paparazzi. and it s something that has haunted him, his entire life.
prince harry and his wife meghan, the duchess of sussex threw the royal family into a tizzy. harry and megan announced they were stepping back as senior members of the royal family. that announcement came as a shock to the public in the uk and people around the world. it stunned harry s family. all of this was laid out in a blueprint when nothing had been agreed to yet. and author carolyn durant said the rush announcement drove a deeper well between the brothers. this was another moment where prince harry s relationship with his brother took a turn. prince william feels that issues like this are to be dealt with prooifsly. but harry and meaghan were confident they could make their perhaps work. do you know from your reporting what harry and meghan envisioned