Part-time vlogger Chu Ai uses her channel to speak candidly about sex. But in real life, she finds that subject to be so much trickier.

A hair salon apprentice accidentally saves a gangster’s life — an act that helps bring in new clientele and drops her into a world of chaos.

Set in the island Kinmen, often seen as the most dangerous military base because it’s geographically close to China, “Paradise in Service” follows the adventure of a boy who serves…