A year after the events of 2gether: The Series, Tine and Sarawat face new responsibilities as the leaders of their respective clubs. As Sarawat chooses Tine to be the music club's new secretary, some people start to question his qualifications. This prompts Tine to prove himself worthy of the position.

With both clubs moving into adjacent rooms, trouble ensues as Tine's and Sarawat's club members have to compete with each other during practice sessions. Boss and Phukong continue to pursue their respective love interests while Type struggles to tell Man about his consequential job promotion.

As both clubs get busy for the "2U Traditional Footbal Match," Tine and Sarawat have to focus on their respective club performances making it difficult for them to find time for each other. To make matters worse, Tine later finds out that Sarawat has to stay out for two weeks for band rehearsals.

The strict house rules in Dim's place makes it difficult for Sarawat to get in touch with Tine. As the music club rehearsals get intense, a mishap happens to one of their members prompting the group to find a replacement. With high hopes of being reunited during the "2U Traditional Football Match," Tine's and Sarawat's responsibilities to their respective clubs keep getting in the way.

After enduring weeks of constant rehearsals for the "2U Traditional Football Match," both clubs reward their members with a beach getaway. However, the unresolved quarrel between Dim and Green threatens to spoil the fun. Tine meanwhile sets up a plan to surprise Sarawat for their couple anniversary.