Completely different plot HOWEVER both shows have the same lead actors / couple. Even though the shows are different the interactions between the actors is similar

-Both are BL's
-Both made by Be On Cloud
-Both have some of the same actors
-Both have action
-Both have violent scenes and concepts
-Both have suspense
-Mature themes
-Both from Thailand

TharnType Season 2: 7 Years of Love is the continuation of TharnType and follows the same story with some added characters. The second season also shows how the characters have grown up and what they are doing after college.