Dune: Imperium · Board game rules
Can I play multiple Plot cards in a single turn?
Quick answer
Yes — the rulebook doesn't limit the number of Plot Intrigue cards you can play on a single Agent or Reveal turn.
Details
Plot Intrigue cards may be played "any time during one of your Agent or Reveal turns" [p.7 — INTRIGUE CARDS]. Unlike Combat Intrigue cards, which are explicitly described as playable "any number of" times during Combat [p.12 — X PHASE 3: COMBAT], the rulebook doesn't state a specific numeric limit for Plot cards, so there is no restriction preventing you from playing several in the same turn, as long as you meet each card's own conditions and costs.
Each Plot Intrigue card specifies its own timing and effect, so you should check the individual card text for any restrictions (for example, some cards like Bindu Suspension must be played at a very specific moment, ending your turn immediately) [p.13 — CLARIFICATIONS]. As long as multiple Plot cards you hold don't conflict with each other's timing requirements, you can play them all during the same Agent or Reveal turn.
Watch out: Some Plot cards have unique timing rules (e.g., must be played "before doing anything else" on your turn), which could effectively limit how many you can meaningfully use in sequence — always check the card text itself.