Jonathan and Mark play matchmaker for two young people, a reckless young man and an unmarried, pregnant teenager; they learn a lesson about love and responsibility.
Jonathan and Mark (Michael Landon, Victor French) help a lonely writer (guest star Didi Conn) meet a secret agent (guest star Warwick Sims) murdered in 1968.
The whole town anxiously awaits the impending blooming of the Middleton Merriwick, but when the plant is cut, it has dramatic impact upon the Merriwick women; Grace begins to suspect Nick is going to ask her out.
The Middleton Merriwick is still not in bloom, and the effects are being felt around town; an old friend and colleague of Abigail's checks into Grey House claiming to want a relationship.
When two guests arrive at Grey House and are immediately at odds, Cassie uses her magic to bring them together; Sam tries to plan the perfect date for Cassie, but various nuisances keep getting in the way.
The whole town is caught up in romance when Cassie helps Ben find an old film; Martha's promises to the town are in jeopardy when she overextends herself with the Middleton budget.
When a visiting chef is unable to relax, Cassie arranges for her to spend a whole day at the stove stirring a special recipe to quiet her mind; Grace is presented with the Merriwick Wish Book for her birthday and encouraged to make an entry.
Abigail, jealous of all the attention Cassie gets from helping her customers, decides to sell special Venezuelan chocolates at her flower shop; Nick isn't interested in staying friends with Noah.
Cassie gives a withdrawn, traveling artist a new paintbrush and invites him to stay at Grey House; Cassie also arranges for her and Sam to organize the Tri-Cities Healthfest, something that Cassie usually does by herself.
Cassie decides to plan a surprise party for Sam to celebrate the anniversary of his move to Middleton; Grace (with some urging from Abigail) decides to use her powers to create situations where she and Noah can get together.
Cassie discovers a 10-year-old girl playing in the bushes at Grey House; Martha announces that her son Michael is getting married; Sam's sister Joanne shows up for an unexpected visit, and he is very happy to see her.
After learning from Sam's sister that he doesn't plan on ever getting married again, Cassie takes a trip to Chicago to clear her head; Michael and Vanessa are fed up with their overbearing mothers while they are trying to plan their wedding.
Founder's Day festivities promise fun and friendly competition for all except aging logger Jim Tyler, who fears losing the log chopping contest to a younger Charles Ingalls.