21 Days Theory — Season 1, Episode 4: Episode 4
Drama • 40 min • 1 season, 4 episodes • ★ 7.0/10
Episode synopsis
At a turning point, Q and X must face whether the “21-day theory” will define their future.
About 21 Days Theory
A playful rivalry turns into something more when a cocky senior dares his classmate to win the school’s top celebrity’s heart in just 21 days.