Received an email about signing up for PS Plus with free 3 months Netflix HD plan (worth $42).
Netflix redemption is for new or existing Netflix accounts.
Not sure if the offer is only for people who aren't existing PS Plus subscribers.
Promotion starts 1 June 2018, 10:00 (BST), ends 8 June 2018, 10:00 (BST). To be eligible, you must be 18+ and (i) have received an email about promotion from Sony; and/or (ii) be pre-selected by Sony to have the offer available for purchase on PS Store without using an email link . An email containing a link to redeem the offer for 3 month subscription to Netflix (HD) Streaming Plan will be emailed within 5 days of purchase of PS Plus. Voucher expires 30/9/18. Full T&Cs apply, see playstation.com/legal/netflix3
I got it!