Mary and Lucy seek their parents for expertise in matchmaking and ask their parents to find new boyfriends for the both of them. Robbie argues with Joy about spending so much time together when she insists on seeing him right away. Simon and Matt are looking for girls using the Sam and David as adorable bait to attract women, but it doesn't go as planned. Robbie unknowingly becomes the key to finding Joy's missing younger brother Joseph when he finds a stray dog in the street that belonged to him.

Lucy confesses to her dad that it will break her heart if he doesn't perform the ceremony at her wedding and he struggles with the decision to return to the church. Meanwhile, Simon catches Cecilia's father's business manager stealing from petty cash. Roxanne's policeman father tries to bully Chandler into ending his relationship with Roxanne. Ruthie and Peter try finding Ben a girlfriend with his training dog, but things go awry once they lose the dog. Annie hijacks Lucy's wedding by making all of the decisions herself without paying attention to any of Lucy's wishes.

Matt returns home to tell Eric and Annie that Sarah has left him and he's dropping out of medical school. Rabbi Glass offers Matt marital advice. Meanwhile, Kevin must decide whether or not to tell a very jealous Lucy that his ex-wife is in town and they got invited to dinner with her. Martin's aunt asks Eric to step in and talk Martin into moving to New York with her and Chandler asks Peter how he would feel about Chandler marrying his mother someday. Peter thinks something is amiss when his mother goes out of town for a business trip. Ruthie keeps something from her mother.