Sun, Mercury and Venus conjunct w/ South Node in 9th House

Recently I was researching my True Node/ South Node in houses 3 & 9 and noticed that Pluto retro was the only planet in the third house (Libra) but my South Node in the 9th house (Aries) was with my Sun, Mercury, and Venus and was wondering how that might effect my interpretation of my nodes.
 
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