Like the the original premise of Knots Landing, No Down Payment (https://en.wikipedia.org/wiki/No_Down_Payment) was a soap opera (http://www.moviefanfare.com/?p=34873) about (https://books.google.com/books?id=cOBsBwAAQBAJ&pg=PT84&lpg=PT84&dq=No+Down+Payment+Knots+Landing&source=bl&ots=f0xhy9egIC&sig=ACfU3U0MRVkKYx4momzlYcm9A5yJqHwV0g&hl=en&sa=X&ved=2ahUKEwiJyIqukIv1AhULTDABHTXsDb0Q6AF6BAgPEAM#v=onepage&q=No%20Down%20Payment%20Knots%20Landing&f=false) a number of married couples all living on the same street in a middle class development in Southern California.

Sleazy Tony Randall and stalwart Sheree North are the prototype Richard (https://knotslanding.fandom.com/wiki/Richard_Avery) and Laura (https://knotslanding.fandom.com/wiki/Laura_Avery_Sumner); Cameron Mitchell and Joanne Woodward are Gary (https://knotslanding.fandom.com/wiki/Garrison_Arthur_Ewing) and Valene (https://knotslanding.fandom.com/wiki/Valene_Ewing) (they're from the south and they even conceived a child out of wedlock years prior and gave her up for adoption); newlyweds Jeffrey Hunter and his wife are Kenny (https://knotslanding.fandom.com/wiki/Kenneth_Ward) and Ginger (https://knotslanding.fandom.com/wiki/Ginger_Ward); and morally upright Pat Hingle and Barbara Rush are Sid (https://knotslanding.fandom.com/wiki/William_Sidney_Fairgate) and Karen (https://knotslanding.fandom.com/wiki/Karen_Fairgate_MacKenzie).