Tris and Four have some serious chemistry.
The pair, clad in trademark Dauntless black, stand alone as Ellie Goulding's song "Dead in the Water" plays.
"Can I ask you something?" the 22-year-old brunette beauty wonders before inquiring about her handsome mentor's tattoos.
"Do you want to see it?" the 27-year-old English star responds as he takes off his shirt to reveal his ink-covered built bod.
Basically, you could cut the sexual tension with several knives.