In Evan Twohy’s twee debut feature Bubble & Squeak, a couple gets detained by police while honeymooning in an unnamed country. We meet Declan (Himesh Patel) and Delores (Sarah Goldberg) in an ascetic holding area, anxiously awaiting their interrogation. When Bkofl, an attending officer played by Steven Yeun (also a producer on the film), walks into the room, he, with humorous solemnity, asks the couple if they are smuggling cabbages into this vaguely Slavic-coded province.

It’s a strange but grave accusation. This tiny country has a charged relationship with cabbages, which were forced upon its people during a long, abstract war. The vegetable is now illegal and most of the population abhors it. Declan and Delores deny the claim. These American honeymooners know better than to sneak in contraband. Odd, then, that the room smells like cabbage and even more curious that the couple, the moment they are left unattended,...