I have had transiting Pluto in my 4th house for a few years, and to interpret the transit through this house, watch the planets it will form aspects to along the way. I have quite a few angular planets in my chart especially in the 7th house and with Pluto going through my 4th house it has completed squares to my Asc, Sun, Saturn, Moon, Nodes, Mercury, and it has formed a conjunction to Neptune, and I am still alive to tell the tale after all those transiting Pluto squares
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Major changes usually involve the home and family, with transiting Pluto through the 4th. I lost my father around the time Pluto was near the 4th house cusp, I started a relationship with a very controlling abusive person when Transiting Pluto squared my 7th house Sun. T. Pluto also squared my Natal Saturn in 1st which natally Opposes my 7th house Sun, at it's worst manifistation the Saturn/Pluto aspect can be a sadistic type of aspect, t. Pluto squaring my Sun/Saturn symbolised this man to me, who had come into my life and was being very cruel and harsh towards me, taking massive control over me and my life. The Saturn/Pluto aspect can also bring on depression and feelings of self despair, I was buried deep in these depressive feelings and found it hard to see a way out at the time. Liz Greene has said that Pluto can relate to growth through the destructive side of emotion, which I can relate to, I had reached the lowest point in my life during all the Pluto transits. Luckily it stopped when transiting Saturn squared my Natal 7th house Moon I seperated from him, finally got my freedom back but at the same time I still felt lonely and lost and I had to find a way through these feelings. Transiting Uranus was also conjuncting my Natal Mars at the time of the breakup, this transit is a classic breakup aspect. The relationship only lasted three years but it left a strong impact on me emotionally, I was forced to look at myself to examine why I was attracted to this type of relationship, and to this type of man.
Transiting Pluto squaring my Natal Moon - a lot of the changes were happening in my mum's life she met a younger man at this time, she is now living with him, my natal Moon (mother) Conjuncts Mercury (younger people.) I did have a very short but intense experience with a man who was very Plutonian Sun in Scorpio, Square Pluto. This didn't end well, but I learned a lot about myself after this. I did meet my partner not long after this broken relationship and I fell pregnant around the last transit of Pluto to my Moon I became a mother which was a major transformation in my life.
During this whole experience I have been forced to gain a new perspective of my life, a whole process of questioning my life and lots of soul searching. Pluto really dug some deep emotional stuff up, I lost a lot but I gained a whole new life. It wasn't a pleasant time I spent most of it depressed, feeling powerless, wanting to be free of all the pain inside. Pluto transits don't seem to bring a quick transformation it seems to be painfully slow and never ending at times, but it is the most powerful planet to bring deep and lasting changes. Pluto indicates in the chart what needs to be brought into the light, you can't keep your pain locked away you will never heal any of the emotional scars.
I was reading about the meaning of Pluto's symbol the other day, and it really hit home to me the meaning of this planet, Pluto's Symbol is a cross (matter) with a crescent (soul) over it, and over that a circle (spirit). This means spirit contained by soul as if 'floating' within it, and both are situated over the cross. In other words soul and spirit are triumphant over everyday matter. Which is a beautiful way to look at Pluto's Symbol.