Infinity Train — Book Four: Duet
Childhood friends with opposing personalities, Mingi and Ryan, dream of becoming rock stars but find themselves on the Infinity Train. They explore the locomotive's inner puzzles — and their own relationship — in order to return home, together.
01 The Twin Tapes
Apr 15, 202111m★ 9.7
Once great friends, Ryan and Min-Gi's relationship slowly dissolves over the course of years of disgruntlement, culminating with their reunion in the restaurant.
02 The Iceberg Car
Apr 15, 202111m★ 8.5
Waking up on the train together, Ryan and Min-Gi are met by Kez, whose mistake has left the boys in a predicament.
03 The Old West Car
Apr 15, 202111m★ 8.5
Arriving in a Wild West town, Ryan, Min-Gi, and Kez attempt to escape the locals.
04 The Pig Baby Car
Apr 15, 202111m★ 8.0
Ryan and Min-Gi are forced to satisfy Pig Baby with the perfect dessert.
05 The Astro Queue Car
Apr 15, 202111m★ 9.5
With a growing rift forming between them, Ryan and Min-Gi attempt to convince a bouncer to let them enter the rave.
06 The Party Car
Apr 15, 202111m★ 10.0
With their instruments back, Ryan and Min-Gi have to play their first show since they were kids, but it's no easy emotional feat.
07 The Art Gallery Car
Apr 15, 202111m★ 10.0
The boys' disintegrating relationship finally comes to a head when they end up in a haunted art museum with seemingly no exit.
08 The Mega Maze Car
Apr 15, 202111m★ 10.0
As the duo nears Kez's home, they are forced to contend both with all their enemies and their messy relationship.
09 The Castle Car
Apr 15, 202111m★ 10.0
Having finally arrived at Kez's home, Ryan and Min-Gi learn of her biggest secret and regret.
10 The Train to Nowhere
Apr 15, 202111m★ 10.0
Ryan and Min-Gi are forced to face the truth and a final challenge if they ever want to go home.