Along with Eclipses, Pluto transits are the best way to understand the major changes going on in your life. They mark major turning points and you can gain understanding of the past by looking back, and learn to deal with what is happening now. Looking ahead can give you clues to your future.
Pluto transits to the natal chart signals major life changing events which last about 18 months. As Robert Hand says “Pluto is not a mild or even very subtle planetary influence. You can always see its effects very clearly.” [Planets in Transit, p.477.]