Big Boy.

Po is a country young guy who dreams to become a cool B-Boy dancer to get attention from the girl he has a crush on. When Po hears the news of his grandfather Poon is in the hospital in Bangkok, he uses this news as an advantage to move to Bangkok, excusing his parents that he really wants to look after his grandfather. But grandfather Poon is perfectly a young at heart, playboy type and diehard who always has a quarrel with Po. Soon, their broken relationship slowly recovered when Po starts to pursue his B-Boy dream and grandfather Poon is his sole companion.