Keng is a young boy who left his hometown to study in Bangkok and lives with Tai, a friend who is the same age as him. Keng's dream is to pursue further study in China in order to look for his mom whom he was separated. Life starts to change unexpectedly. He has to help Boang, a boy who delivers drugs from being attacked by a group of gangsters in which Song and Nick are the members.

The feeling of disappointment that arose with all characters in Gen Y The Series SS1 will be solved, especially the suddenly ended of Pha and Wayu. Wayu decided to start to be a couple with Thanu, but it may not be easy because of the unclear relationship between Thanu and Phai. At the same time, Mark and Kit got a problem with distancing and timing. Before they decide to call it off, they focus on temporary separation as an option. that may make them know how the importance of each other. Pok has tried so hard to be better for Tong but he feels like he is just not up to Tong's expectation. Also, Tong has tried to give all the best to Pok but he had misunderstood that Pok never wants it. While Wayu started to open up to a new relationship, a problem of Mark and Kit, a conflict of Pok and Tong.

In the world of Y, many relationships might happen from imagination but how many times does that relationship comes from the real world?

Every year, LP Paradise Hotel will accept only 10 internships from universities throughout the country in the "Hotel Stars" project, and 2 out of 10 will have the opportunity to receive outstanding internships. They will be placed as hotel staff immediately after the internship is complete and will be given a salary. High service charges and outstanding students will also have a chance to study hotel trips abroad. This year, the selected students, Akarotonpong, Kinteeyanuk, Ying K and Valen, all ten will be divided into groups. To switch internships in three missions, namely kitchen work, housewife work, and reception work. Including a special mission as well. Can all ten interns pass the Arahan checkpoint like the management team and supervisors to become an excellent intern? How about the relationship that Erung Tung Nang between them will be a hindrance to this competition?

The story of six university students facing new challenges like: studying hard, making new friends and enemies, and unexpectedly falling in love with the least likely person.