Mary returns home back to Glenoak for the summer to spend some time with her family, but fears about being together again with Robbie, who's a bit on edge. Meanwhile, Eric and Annie are recipients of what may or may not be advances from unmarried acquaintances (Serena & James). Simon also has his problems with his ex-girlfriend Deena when they both see that the still have feelings for each other, even though she has another boyfriend and has to choose. Also, Matt agonizes over telling his family about his new relationship with Cheryl, but soon decides to tell them all. John and Priscilla are also having trouble again with an unfortunate obstacle with her parents, but they decide to come to their senses and allow the two kids to have their wedding with their help. Lastly, Lucy surprises herself and others when making a proposal to Jeremy and the possibility of going to college in New York with Jeremy. Although plans change when Mary allegedly tells Robbie and soon the rest of the famil